4. What are the functions of the nucleolus? (Choose all that apply)
regulating the cell's interaction with its surroundings
beginning ribosome assembly
translating the code contained by the DNA into the proteins the cell needs for structure and function
converting energy from food into a form the cell can use
Answers
Answer:B NUCLEOLUS IS WHERE DNA IS STORED
BRAINLIEST MEEEE
Explanation:
The nucleolus is the most conspicuous domain in the eukaryotic cell nucleus, whose main function is ribosomal RNA (rRNA) synthesis and ribosome biogenesis. AKA DNA !!!!
The function of the nucleolus includes 'beginning ribosome assembly'.
The nucleoli are eukaryotic organelles located within the cell nucleus that act as ribosome factories, in which the process of transcription (i.e., RNA synthesis) occurs constantly.
The nucleolus serves to make ribosomal subunits and then it sends ribosomal subunits to different cell destinations where they form full ribosomes.
In conclusion, the function of the nucleolus includes 'beginning ribosome assembly'.
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CORRECT ANSWER GETS BRAINLIST PLS HELP
Answers
Answer:
Your answer is B. Multiple Personality Disorder
how are most of the non-essential amino acids made in the body?
Answers
Which of the following is NOT a characteristic of protozoans
a. break down plant matter
b. can cause a disease
c.can live in red blood cells
d. Ingredient in lotion
its a science question
Answers
Answer:D
Explanation: Protozoans are a single-celled microscopic animal of a group of phyla of the kingdom Protista, such as an amoeba, flagellate, ciliate, or sporozoan.
Protozoans play important roles in the fertility of soils. By grazing on soil bacteria, they regulate bacterial populations and maintain them in a state of physiological youth— in the active growing phase. This enhances the rates at which bacteria decompose dead organic matter.
Many types of plants produce fruit which is eaten by animals. The seeds of these plants are typically undigestible. Which of the following is an advantage for plants having undigestible seeds? It allows seeds to reside in the gut until conditions are appropriate for germination. It ensures that flowers of these plants will be pollinated. It allows the seeds to be dispersed into other areas. It provides a source of nutrients for the germinating seed.
Answers
The advantage for plants having undigestible seeds is that it allows seeds to reside in the gut until conditions are appropriate for germination.
Fruits are a source of nutrition for animals that consume them, and they are also a means of seed distribution for plants that produce them. Many types of plants generate fruit that is consumed by animals; nevertheless, the seeds of such plants are usually indigestible. As a result, the seeds can be dispersed into new areas by animals that eat the fruit.
However, having undigestible seeds provides a distinct benefit to plants: it allows seeds to reside in the gut until conditions are appropriate for germination, which aids in seed growth and germination.
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Lactate accumulation contributes to fatigue because lactate
a. causes capillaries to constrict, which reduces muscle blood flow
b. facilitates fatty acid mobilization and utilization, thus reducing the total energy available to muscle
c. inhibits myoglobin from transporting oxygen into the mitochondria
d. lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism
Answers
Option D i.e. lactate lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism, is the correct answer.
Lactate accumulation contributes to fatigue because lactate lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism. Hence, the correct option is (d) lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism.
What is lactate?Lactate is a product of anaerobic glycolysis in muscles. Lactate accumulates when there is inadequate oxygen supply during intense exercise, leading to muscle fatigue. The accumulation of lactate lowers the intramuscular pH, which interferes with enzyme activity and energy metabolism, leading to fatigue.How does lactate accumulation contribute to fatigue?Lactate accumulation contributes to fatigue by inhibiting the process of energy metabolism. When the intramuscular pH falls, it leads to enzyme inhibition, which is crucial for the proper functioning of energy metabolism. The hydrogen ion accumulation affects several enzyme systems, leading to fatigue and reduced force production.The muscles rely on energy metabolism to produce adenosine triphosphate (ATP) for muscle contraction. Hence, when lactate accumulates, it inhibits energy metabolism, leading to reduced ATP production. This reduction in ATP production leads to muscle fatigue, which affects exercise performance. Thus, lactate accumulation contributes to fatigue.
Hence the correct answer is Option D.
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why can dna be matched to the person it came from
Answers
Answer:
Since every person inherited DNA from their parents, who inherited it from their parents, and so on, a person's DNA is made up of the DNA of their ancestors. If you and another person both have the same ancestor, there's a chance that you both inherited some of the same DNA.
Explanation:
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Cervical nerves emerge from the vertebral column ______ the vertebrae they are named for and the thoracic, lumbar, and sacral exit ______ their corresponding vertebrae.
Answers
Cervical nerves emerge from the vertebral column above the vertebrae they are named for and the thoracic, lumbar, and sacral exit below their corresponding vertebrae.
What is meant by Cervical nerves?The cervical nerves are the spinal nerves that originate in the cervical section of the spinal cord from the cervical vertebrae. There are seven cervical vertebrae (C1-C7) but eight cervical nerves (C1-C8).C1-C7 are visible above their corresponding vertebrae, but C8 is visible below C7. Everywhere else in the spine, the same-named nerve emerges beneath the vertebrae.The sub occipital nerve (C1), greater occipital nerve (C2), and third occipital nerve (C3) are all part of the posterior distribution (C3). The cervical plexus (C1-C4) and brachial plexus are part of the anterior distribution (C5–T1).The stern hyoid, stern thyroid, and omohyoid muscles are innervated by the cervical nerves. The Ansa cervicitis, a nerve loop, is part of the cervical plexus.To learn more about cervical nerves refer to:
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you’re measuring the number of cells in a culture by turbidometry. you measure them at 8am and then again at 10am. the turbidity of the culture is less at 10am. in what growth phase is the culture?
Answers
Based on the information provided, if the turbidity of the culture is less at 10am compared to 8am, it suggests that the cell culture is in the decline or stationary phase.
During the growth of a bacterial culture, there are different phases: lag phase, exponential (log) phase, stationary phase, and death phase. The turbidity of the culture is typically associated with the density or concentration of cells in the culture.
In the exponential phase, cells are actively dividing and multiplying, resulting in an increase in cell density and turbidity. However, as the culture enters the stationary phase, the growth rate slows down, and the number of cells reaching maturity or entering a dormant state increases. This can lead to a decrease in cell density and turbidity.
Therefore, if the turbidity of the culture is less at 10am compared to 8am, it indicates that the culture has likely entered the stationary phase, where the growth rate has slowed down, and the number of cells in the culture is no longer increasing significantly.
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Active transport is used to move molecules across the cell membrane. Which of the following are characteristics of active transport?
Answers
Answer:
The movement of dissolved molecules into or out of a cell via the cell membrane, from a lower concentration to a higher concentration, is known as active transport. The particles use energy generated during breathing to travel against the concentration gradient.
Answer: (C) Proteins
Explanation: In active transport, molecules are moved across the cell membrane with the help of ✔ proteins.
The presence of a third layer of smooth muscle assists the continued _______ and blending of the ______
Answers
The presence of a third layer of smooth muscle assists the continued propulsion and blending of the food bolus.
Smooth muscle is found in the walls of many internal organs, including the digestive tract. In the digestive system, it is primarily responsible for the involuntary contractions that move food through the tract, a process known as peristalsis. The third layer of smooth muscle is especially important in the stomach, where it aids in the mechanical digestion of food.
The third layer of smooth muscle is arranged obliquely, in addition to the other two layers which are oriented longitudinally and circularly. This unique arrangement allows the stomach to efficiently churn and mix the food bolus with gastric secretions, ultimately forming a partially digested substance called chyme. The churning and blending action ensures that the food is broken down into smaller particles, increasing the surface area for further enzymatic digestion.
As the chyme is mixed and propelled through the stomach, the coordinated contractions of the smooth muscle layers help to regulate the rate at which it enters the small intestine. This controlled movement ensures that the chyme is adequately processed and broken down, optimizing the absorption of nutrients in the small intestine.
In summary, the third layer of smooth muscle in the stomach plays a crucial role in promoting the continued propulsion and blending of the food bolus, ultimately contributing to effective digestion and nutrient absorption.
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Name one basic characteristic for classifying organisms.
Answers
Answer:
it is a kind of cell that has living organisms that are made up of another basic characteristic
Explanation:
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Two adaptations of the monarch butterfly that aid in its survival are the production of a certain chemical and a distinctive coloration that other animals can easily recognize. When a monarch butterfly is eaten, the presence of the chemical results in a bad taste to the predator.
Although the viceroy butterfly does not contain the chemical that tastes bad to a predator, it does resemble the monarch in size, shape, and coloration.
How do the characteristics of the viceroy butterfly aid in its survival?
Answer in complete sentences.
Answers
The characteristics of the viceroy butterfly aid in its survival through a phenomenon known as mimicry.
By resembling the monarch butterfly in size, shape, and coloration, the viceroy butterfly is able to benefit from the monarch's warning coloration. Predators that have had a bad experience with the monarch butterfly will avoid the viceroy butterfly as well, even though it does not contain the chemical that tastes bad. This is known as Batesian mimicry, a form of mimicry in which a harmless species evolves to imitate the warning signals of a harmful species in order to protect itself from predators. In this case, the viceroy butterfly is able to survive by taking advantage of the monarch's adaptations and the predator's learned avoidance behavior.
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What is the force of a 3kg skateboard accelerating at a rate if 4m/s²? Plug the numbers into the formula
Answers
Answer:
\(\boxed {\boxed {\sf 12 \ Newtons }}\)
Explanation:
Force is the product of mass and acceleration.
\(F=ma\)
The mass is 3 kilograms and the acceleration is 4 meters per square second.
\(m= 3 \ kg \\a= 4 \ m/s^2\)
Substitute the values into the formula.
\(F= 3 \ kg * 4 \ m/s^2\)
Multiply.
\(F= 12 \ kg*m/s^2\)
1 kilogram meter per square second is equal to 1 Newton. Our answer of 12 kg*m/s² is equal to 12 N\(F= 12 \ N\)
The force of the skateboard is 12 Newtons.
What is the optimum pH for stomach protease?
A pH2
B pH7
C pH9
D pH12
Answers
it comes down to electrons & chemical bonding of atoms
ph levels means a chemical is an acid base
pH less than 7 is acidic over 7 is a base.
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pH stands for "potential of hydrogen".
The optimum pH for stomach protease is A) pH2. The stomach produces hydrochloric acid (HCl), which helps to maintain an acidic environment in the stomach with a pH range between 1.5 to 3.5. This acidic environment is necessary for the activation of pepsinogen to pepsin, which is a type of protease enzyme that breaks down proteins in the stomach. The optimal pH for pepsin activity is in the range of pH 1.5 to 2.5.
chatgpt
pH measures how acidic or basic something is.
Hydrogen ions (H+) are involved in determining acidity or basicity.
A solution with a higher concentration of hydrogen ions is more acidic, meaning it has a lower pH value.
A solution with a lower concentration of hydrogen ions is more basic or alkaline, meaning it has a higher pH value.
The pH scale measures the concentration of hydrogen ions in a solution and ranges from 0 to 14.
A pH of 7 is neutral, meaning it has an equal concentration of hydrogen ions and hydroxide ions (OH-).
In summary, hydrogen ions play a crucial role in determining the acidity or basicity of a solution in pH. The concentration of hydrogen ions in a solution affects its pH value, and the pH scale measures this concentration to indicate the acidity or basicity of a solution.
chatgpt
the mass of the products of a chemical reaction __ the mass of the reactants
A is greater than
B is less than
C is the same as
D may be more or less than
Answers
Answer:
B is less than
Explanation:
chemical reactions always consume a little of the materials used to create them.
A firm has $820 in inventory, $3,200 in fixed assets, $1,210 in accounts receivable, $890 in accounts payable, and $360 in cash. What is the amount of the net working capital?
a. $4,700
b. $5,590
c. $3,600
d. $2,390
e. $1,500
Answers
The net working capital for the firm is $1,500, calculated by subtracting current liabilities from current assets, the correct option is (e).
To calculate the net working capital, you need to subtract the current liabilities from the current assets.
In a company's financial statements, the formula for calculating current assets can be expressed as the sum of inventory, accounts receivable, and cash.
Current Assets = Inventory + Accounts Receivable + Cash
Current Liabilities = Accounts Payable
Using the given values:
Current Assets = $820 (Inventory) + $1,210 (Accounts Receivable) + $360 (Cash)
= $2,390
Current Liabilities = $890 (Accounts Payable)
The formula to calculate Net Working Capital is derived by subtracting Current Liabilities from Current Assets.
Net Working Capital = Current Assets - Current Liabilities
Net Working Capital = $2,390 - $890
= $1,500
Therefore, the amount of net working capital is $1,500.
Hence, the correct option is (e).
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where might we see changes in concentration in nature and how could these changes affect living organisms?
Answers
Answer:
Explanation:
Any change in the climate of an area can affect the plants and animals living there, as well as the makeup of the entire ecosystem. Some species are already responding to a warmer climate by moving to cooler locations. ... Climate change also alters the life cycles of plants and animals
Create a solution that would at least partially solve the water pollution problem that waste management causes.
A correct answer will outline a solution that would solve the water pollution problem that waste management causes. An example that might be discussed is for farmers to stop feeding chemical hormones and antibiotics to their livestock. By keeping the livestock free of harmful chemicals that their bodies can’t break down, no unnatural chemicals in the waste would end up in the water. Another example would be creating a system that gathers wastes before they have a chance to pollute the water. This system could be a sort of isolated irrigation system that would drain the wastes into a location before it had a chance to run off into water supplies
Answers
A potential solution to address the water pollution problem caused by waste management is to implement a comprehensive waste management system that includes proper disposal methods for different types of waste.
One effective approach is the use of anaerobic digestion to process organic waste, such as food scraps and livestock manure. This process breaks down the waste and generates biogas, which can be used as a renewable energy source.
Another approach is to require industries to implement technologies that reduce or eliminate the discharge of harmful chemicals into the water. This can include treatment systems that remove pollution from waste streams before they are discharged, as well as more sustainable production practices that minimize waste generation.
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What is the source of the carbon dioxide that is used in photosynthesis?
sunlight
the soil
the atmosphere
the plant
Answers
Answer:
THE ATMOSPHERE
Explanation:
The atmosphere is the source of the carbon dioxide that is used in photosynthesis. Hence option c is correct.
What is photosynthesis?Photosynthesis is defined as the process through which green plants use energy from sunlight to transform carbon dioxide and water into food. It is a process that only happens in plants that contain the chlorophyll, a green pigment used in food preparation. Photosynthesis takes place in the chloroplast, a specialized intracellular organelle found in plants and algae, which emerged considerably later.
During photosynthesis, plants take up carbon dioxide (CO2) and water (H2O) from the soil and atmosphere. Plants take in carbon dioxide from the atmosphere as they photosynthesize. Plants can absorb the gas carbon dioxide from the air by way of microscopic holes in their leaves. Once they have carbon dioxide and water, they can use solar energy to create food.
Thus, the atmosphere is the source of the carbon dioxide that is used in photosynthesis. Hence option c is correct.
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Drag the terms on the left to the appropriate blanks on the right to complete the sentences. ResetHelp substrate feeders carnivores omnivores filter (or suspension) feeders fluid feeders herbivores bulk feeders 1. Animals that mostly eat other animals fit into the dietary category called. 2. Animals that mostly eat plants or algae fit into the dietary category called. 3. Lemurs and humans would both fit into the dietary category called. 4. Many aquatic animals, from delicate tube worms to giant humpback whales, filter small food items from the water and are called. 5. Animals that live in or on their food source and eat their way through their food are called. 6. Animals that suck nutrient-rich liquids from an animal or plant host are called. 7. Many animals are , ingesting their food whole or by the piece
Answers
The correct term for first question is “carnivores”; second question is “herbivores”; third question is “omnivores”; fourth question is “filter (or suspension) feeders”; fifth question is “substrate feeders”; sixth question is “fluid feeders”; and seventh question is “bulk feeders”.
A carnivore, sometimes known as a meat-eater, is any animal or plant that obtains its nutrition and energy needs from animal tissues, whether by hunting or scavenging. An animal that is physically and physiologically specialised to consume plant matter is called a herbivore. An animal is said to be an omnivore if it typically consumes both plants and animals for nutrition. Because Paramecium employs cilia to direct food into an oral groove where cilia remove undesirable particles, it is known as a filter feeder. Substrate feeders reside on or in their food supply. Substrate feeders consume all of their food. The term "fluid feeders" refers to species that consume other organisms' fluid. Animals are categorised as bulk eaters in the great majority of cases. Large bits of food are typically consumed by bulk feeders at the source.
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The right term for the first inquiry is "carnivores"; the second inquiry is "herbivores"; the third inquiry is "omnivores"; the fourth inquiry is "channel (or suspension) feeders"; the fifth inquiry is "substrate feeders"; 6th inquiry is "liquid feeders"; and seventh inquiry is "mass feeders".
A carnivore, some of the time known as a meat-eater, is any creature or plant that gets its nourishment and energy needs from creature tissues, whether by hunting or rummaging. A creature that is genuinely and physiologically particular to consume plant matter is known as a herbivore. A creature is supposed to be an omnivore on the off chance that it ordinarily consumes the two plants and creatures for nourishment. Since Paramecium utilizes cilia to coordinate food into an oral depression where cilia eliminate unfortunate particles, it is known as a channel feeder. Substrate feeders dwell on or in their food supply. Substrate feeders devour the entirety of their food. The expression "liquid feeders" alludes to species that polish off other organic entities' liquid. Creatures are classified as mass eaters in the extraordinarily greater part of cases. Enormous pieces of food are ordinarily devoured by mass feeders at the source.
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SPENT 100 POINTS, NEED HELP ASAP!!!
My assigned technology is GENE THERAPY!
Think about how the technology impacts the field of science and our society. Answer the following questions in your explanation:
· Why is this technology important to the advancement of science?
· What does this new technology allow- what doors are open because of this technology?
· How does this technology affect society?
· Include a picture that illustrates your point.
*** Explanation can be pretty short since it should only fit on one slide.
Answers
Explanation:
Gene therapy is a promising technology that has the potential to treat genetic disorders by replacing, removing, or modifying genes.
Why is this technology important to the advancement of science?
Gene therapy is important to the advancement of science because it provides a novel approach to treating genetic diseases that have previously been untreatable. By directly manipulating the genetic code of an individual, it is possible to address the root cause of many genetic disorders, potentially leading to improved outcomes for patients.
What does this new technology allow - what doors are open because of this technology?
Gene therapy allows for the possibility of treating genetic disorders that were previously thought to be incurable. It also allows for more targeted and personalized treatment approaches, as gene therapy can be tailored to an individual's specific genetic makeup. This technology opens the doors for developing more effective treatments for a wide range of genetic disorders.
How does this technology affect society?
Gene therapy has the potential to improve the lives of millions of people around the world who suffer from genetic diseases. This technology could reduce the burden of disease on individuals, families, and healthcare systems. However, there are also ethical and societal concerns around the use of gene therapy, such as issues related to access, cost, and potential unintended consequences of genetic manipulation.
Include a picture that illustrates your point:
[Picture of a DNA double helix with a medical symbol in the center to represent gene therapy]
Answer:
Gene therapy is a groundbreaking technology that has the potential to revolutionize healthcare. It involves the use of genetic material to treat or prevent diseases. This technology is important to the advancement of science because it allows researchers to identify and correct genetic mutations that cause diseases.
1. Why is this technology important to the advancement of science?
Ans:
Gene therapy is important to the advancement of science because it allows researchers to study the effects of specific genes on the body and to develop new treatments for genetic diseases. This technology also provides a better understanding of gene function and regulation, which can lead to the development of new drugs and therapies.
2. What does this new technology allow- what doors are open because of this technology?
Ans:
Gene therapy allows for the development of personalized medicine, where treatments are tailored to an individual's genetic makeup. It also enables the treatment of rare diseases that affect a small percentage of the population. This technology opens doors to the development of new treatments for diseases that were previously untreatable or incurable.
3. How does this technology affect society?
Ans: Gene therapy has the potential to significantly impact healthcare and society as a whole. It could lead to the eradication of genetic diseases, such as cystic fibrosis and sickle cell anemia, and reduce the prevalence of other diseases, such as cancer. However, there are also concerns about the ethics of gene therapy, including the potential for misuse and the possibility of creating "designer babies."
4: Include a picture that illustrates your point.
Ans: See atachment
how does carbon move through living and nonliving things?
Answers
Answer:
Through food chains, the carbon that is in plants moves to the animals that eat them. Animals that eat other animals get the carbon from their food too. Carbon moves from plants and animals to soils. When plants and animals die, their bodies, wood and leaves decays bringing the carbon into the ground.
Explanation:
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Which of the following sets would represent Mendel's Parent generation?
a) RR X RR b) Rr x Rr c) RR X rr
Answers
Answer:
C. RRxrrExplanation:
hope it helps you<3Predict which temperature 20 degrees Celsius, 39 degree Celsius, 50 degree Celsius you would expect a human to function best. Plan a simple investigation to test your hypothesis
Answers
Answer:
39 degree Celsius
Explanation:
Human body functions well at 36 degree Celsius. All the body functions and the enzymes secretion and processes works best on the temperature 36 degree Celsius.
The enzyme of humans will function good on temperature 39 as it is the very near to the body temperature of the human. The optimal temperature would be between temperature 35 to 40 degrees for most of the enzymes.
Testing hypothesis :
Add amylase which is an enzyme present in the saliva to a concentration sugar, which acts as the reactant in a small container having a lid. Use a thermometer to mark the changes in the temperature. We have to take two identical samples of our experiment. Place one sample at a room temperature of 25 degree Celsius and the other to be heated to 40 degree Celsius. Now we have to check the concentration of the product for each temperature. And while checking the sample which is heated, we see that at some point, the rate where the substrate is being converted in to product decreases as the enzyme denaturation and the reaction will stop. The optimal temperature is the one where the product is produced at the maximum rate.
How doe the abolute age of volcanic ah, and relative age, be ued to help cientit find the age of foil
Answers
To determine the age in years, we radiometrically date the rocks. Rocks that can be dated in this way include volcanic ash deposits, but not all rocks can.
How can the absolute and relative ages of rock layers be used to estimate the age of fossils?
Relative dating involves comparing a fossil to other fossils and rocks with known ages to determine how old it is. By using radiometric dating to track the isotope decay within the fossil or, more frequently, the rocks it is associated with, absolute dating can determine an object's exact age.
By noting whether the fossils are above or below a dated ash layer, we can ascertain the age of the specimens.
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What is the source of oxygen in the newly made glucose molecule?
Answers
Answer:
The oxygen in the glucose molecule comes from the carbon dioxide, which is used in the Calvin Cycle. As you mentioned, the oxygen in water is broken down in the non-cyclic phosphorylation process to obtain an electron which can be used in the photosystem I and II to form ATP and NADPHAll are convergent metabolic intermediates of α-amino acid carbon skeletons EXCEPT: a. Citrate. b. α-ketoglutarate. c. Oxaloacetate. d. succinyl-CoA.
Answers
Let me first provide some background information to help you understand why this is the correct answer. α-amino acid carbon skeletons are the backbone of amino acids, which are the building blocks of proteins. During the breakdown of proteins, these carbon skeletons can enter into various metabolic pathways in the body. Some of the key metabolic intermediates that can arise from these carbon skeletons include α-ketoglutarate, oxaloacetate, and succinyl-CoA.
Now, coming back to the question at hand, the question is asking which of the given options is NOT a convergent metabolic intermediate of α-amino acid carbon skeletons. Convergent metabolic intermediates refer to those that can be produced by multiple pathways in the body. In this case, we need to identify the option that is not produced by the breakdown of α-amino acid carbon skeletons.
Out of the given options, citrate is the odd one out. Citrate is actually a product of the Krebs cycle, which is a different metabolic pathway that involves the breakdown of carbohydrates, fats, and proteins. While some of the other options (such as α-ketoglutarate and oxaloacetate) are indeed convergent metabolic intermediates of α-amino acid carbon skeletons, citrate is not.
So, to summarize, the correct answer to this question is a. Citrate, because it is not a convergent metabolic intermediate of α-amino acid carbon skeletons.
The term that does not represent a convergent metabolic intermediate of α-amino acid carbon skeletons is: a. Citrate. The other options, α-ketoglutarate, oxaloacetate, and succinyl-CoA, are indeed intermediates in the metabolism of α-amino acids.
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What sentence best supports the staternent that hormones are involved in the regulation of homeostasas? The hormone melatonin induces sleep and its production is slowed by exposure to light. The hormone cortisol suppresses the immune system and is produced when the body is under stress. The hormone oxytocin promotes labor contractions of the uterus during childbirth. The hormone erythropoeitin increases the production of red blood cells when oxygen levels are low.
Answers
The sentence that supports the statement that hormones are involved in the regulation of homeostasis is: The hormone erythropoietin increases the production of red blood cells when oxygen levels are low.
Homeostasis is the condition of maintaining the adequate conditions inside the living body that are most suitable for its survival. It is the state of steady internal, physical, and chemical conditions. The correct temperature, adequate oxygen concentrations, adequate fluids inside the body are the examples of homeostasis.
Erythropoietin is the hormone produced by the kidney cells that enhances the production of RBCs in the body. This in turn enhances the oxygen concentration inside the body.
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In which situation would an egg shrink? *
A. 95% water in beaker, 90% water in egg
B. 92% water in beaker, 99% water in egg
C. 91% water in beaker, 80% water in egg
D. 93% water in beaker, 93% water in egg
Answers
Answer:
B.
Explanation:
assuming the egg doesn't have a shell, only a membrane, the water inside of the egg would diffuse outside via osmosis to the lower concentration of water. hope this helps
92% water in beaker, 99% water in egg in this situation egg will shrink.
What is osmosis?Osmosis is the Latinized version of the now-outdated word osmose. Osmotic, which means "pertaining to or of the character of osmosis," is a derived word. Osmotic pressure, for example, is a pressure that results from or is associated with osmosis.
As a rule, water molecules flow downward, from an area with a high concentration of water (or fewer solutes) to one with a low concentration (or greater solutes). Osmosis cannot be used if there is no net water flow. A semipermeable membrane should be included for movement.
Water molecules require channel proteins to move down their concentration gradient because they are polar molecules. These channel proteins create a hydrophilic channel for water to pass through that is embedded in the cell membrane.
Therefore, 92% water in beaker, 99% water in egg in this situation egg will shrink.
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The basis of natural selection is: differential reproductive success progressive biology the biological improvement imperative Odysgenics Evolution will produce "better" creatures True False Genes are found in zygote ,gamate
Answers
Answer:
The basis of natural selection is: differential reproductive success.
Natural selection is a fundamental concept in evolutionary biology. It refers to the process by which certain heritable traits become more or less common in a population over successive generations based on their impact on reproductive success. Individuals with advantageous traits that increase their chances of survival and reproduction are more likely to pass on those traits to future generations, leading to the accumulation of beneficial characteristics within a population. In contrast, individuals with less advantageous traits have reduced reproductive success and are less likely to pass on their genes.
It is important to note that natural selection does not imply a progressive or inherent improvement in organisms. Instead, it simply favors traits that enhance an organism's fitness within its specific environment. The notion of "better" creatures is subjective and can vary depending on the ecological context and selective pressures acting upon a population.
Regarding the statement "Genes are found in zygotes, gametes," it is incorrect. Genes are segments of DNA that code for specific traits and are present in the chromosomes of all somatic cells, including zygotes and gametes.
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