Answer:
id go with either a or a and b
Explanation:
Which statement best describes genetic material?
A. DNA is made up of many chromosomes, each of which codes for
a protein.
OB. A chromosome contains a single DNA molecule, which contains
one gene.
C. Genes are segments of DNA, which is packaged in chromosomes.
D. Genes are sections of proteins, which contain the codes for
chromosomes.
SUBMIT
Answer:
C
Explanation:
Genes are one of the smallest sections of DNA and chromosomes are made up of DNA.
C. Genes are segments of DNA, which is packaged in chromosomes is the correct statement regarding the genetic material.
Genes are small units of heredity. These include information related to the structure and functional make up of the organism. The genes are situated on the segments of the DNA. Each gene encodes for a particular amino acid that further aggregate in a sequence to produce a polypeptide chains when these polypeptide chains combine they create proteins. Proteins are the structural and functional units of the organisms. The DNA is a thread like structure packed in chromosomes. The chromosomes are condensed and compacted in nucleus of the cell in eukaryotes and suspended freely in the cytoplasm or in nucleoid of prokaryotes.Therefore, option (C) is correct.
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Although longitudinal waves can travel through all media types, what is the disadvantage of this type of wave transmission? Particles become too close together as they bump into each other making it more likely to hit other particles down the line. The waves travel in all directions which does not ensure that it will come into contact with particles down the line. The efficiency of the wave transmission is greatly diminished as the media becomes less dense. The oscillation of one set of particles has a huge impact on neighboring particles.
Answer:
The efficiency of the wave transmission is greatly diminished as the media becomes less dense.
the pieces of bone that are knocked off during the application of sharp force to the bone are called:
The pieces of bone that are knocked off during the application of sharp force to the bone are called wastage.
Bone is living tissue which makes up the skeleton of the body. There are five types of bones in the skeleton namely flat bones, long bones, short bones, irregular bones, and sesamoid bones. The primary function of the bones is to provide structural support to the body and enable mobility. During fractures, a measurable amount of bone withers off. Deficiency of vitamin D also causes erosion of bone which causes various health conditions which are detrimental in nature. If the bone is broken into many pieces, it is known as comminuted fracture. The severity of a bone loss or wastage depends upon the type of bone and its location.
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Dietary fibers from foods such as oatmeal, brown rice, and popcorn are beneficial because
a) they slow down the digestion of carbohydrates.
b) they speed up the digestion of carbohydrates.
c) they rapidly increase blood glucose levels.
d) they help digest cellulose.
e) all of the above
Dietary fibers from foods such as oatmeal, brown rice, and popcorn are beneficial because they slow down the digestion of carbohydrates. So, option E is accurate.
Fiber-rich foods contain complex carbohydrates that are not easily broken down by digestive enzymes. As a result, these fibers slow down the digestion process, leading to a gradual release of glucose into the bloodstream. This slower digestion helps regulate blood glucose levels and prevents rapid spikes in blood sugar. Additionally, dietary fibers add bulk to the stool, promoting regular bowel movements and aiding in digestive health. However, it's important to note that fibers do not directly digest cellulose, but they contribute to overall digestive health and the elimination of waste.
Therefore, option "e) all of the above" is not correct in this case.
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Give reason why water in the xylem and translocation of food is related with each other.
Answer:
Transportation of food and water takes place through xylem and phloem in the plants. The water from the roots is transported through xylem. Phloem on other hand transports the food prepared in the leaves to other parts of the plants.
1. How is energy defined?
2. How is potential energy different from kinetic energy?
3. What does the law of conservation of energy state?
4. Compare and contrast anabolism with catabolism.
5. How do cells release energy stored in ATP?
6. Identify 2 possible uses that a cell would have for the energy released from ATP.
7. What is phosphorylation?
Energy's capacity for work. People have figured out how to transform energy from one form to another and then use it to accomplish tasks, making modern civilization possible.
What is energy?Law of conservation of energy states that the amount of energy in the universe is constant. Potential energy is a static energy and kinetic energy is present in moving objects.
Organisms get energy in the form of ATP. ATP is the energy unit present in the organisms. Humans and animals use energy in the form of ATP.
A phosphoryl group (PO3-) is chemically added to an organic molecule during phosphorylation. Dephosphorylation refers to the removal of a phosphoryl group. Enzymes carry out the processes of phosphorylation and dephosphorylation (e.g., kinases, phosphotransferases).
Therefore, Energy's capacity for work. People have figured out how to transform energy from one form to another and then use it to accomplish tasks, making modern civilization possible.
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Use the example from the PowerPoint and the chart below to answer questions 1-3 about radiometric dating.
1. If you started with a fossil sample that has 2000 grams of potassium 40, how much would be left after 4 half-lives?
After 1st half-life: _______ after a 2nd: _______ after a 3rd:_______ after a 4th:________
2. How many years would you need to wait for those 4 half-lives to occur in problem a?
3. Scientists found a layer of rock with a very old trilobite fossil. They tested the rock layer and found that there was only 12.5% of the original Uranium-235 in it. How old is this trilobite?
1. If you started with a fossil sample that has 2000 grams of potassium-40:
after 1st half-life: 1000 grams of potassium-40 would be leftafter a 2nd: 500 grams of potassium-40 would be leftafter a 3rd: 250 grams of potassium-40 would be leftafter a 4th: 125 grams of potassium-40 would be left2. You would need to wait for 5.2 billion years for those 4 half-lives to occur in problem a.
3. The age of the trilobite will be 2.13 billion years.
What is the half-life of a sample?The half-life of a sample is the time for half the sample to decay.
Considering the given data:
After, 4 half-live, 1/16 of the mass of potassium will remain.
The mass of potassium-40 remaining = 1/16 * 2000
The mass of potassium-40 remaining = 125 g
The number of years required = 1.3 * 4 billion years
The number of years required = 5.2 billion years
The age of the trilobite will be:
12.5% = 3 half-lives
Age of trilobite = 3 * 710 million years
Age of trilobite = 2.13 billion years.
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Looking at the chart provided, the students need to develop a classification scheme to distinguish plant and animal cells. The presence of which of the following structures/organelles would be most useful for this purpose?
Answer:
The Cell Wall of plants are more geometrical, than animal cells. Plant cell wall are also stronger.
Plant cell is larger than animal cells
Plant cell have chloroplast while animal cells doesn't
Explanation:
Answer:
cell wall
Explanation:
Plant cells contain a cell wall while animal cells do not have a cell wall. By looking for the presence of a cell wall, students would be able to positively identify a cell as either plant or animal.
Would you want to visit a genetic counselor to determine if you or your future child had a genetic disorder? Why or why not?
Answer: Genetics and hereditary conditions can impact both your ability to conceive and maintain a pregnancy, as well as increase the risk of passing along a hereditary disorder to your future baby. If you are planning to get pregnant or have been trying to conceive without success, it may be a good time to consider talking to a genetic counselor.
Explanation:
an anatomy and physiology instructor is discussing the lymphatic system of the head and neck. why would the instructor emphasize the importance of the drainage pattern of the lymph?
The instructor emphasizes the importance of the drainage pattern of the lymph because enlargement of a node may be a sign of pathology that is distant from that node, so the correct option is C.
An intricate part of the immune system that is responsible for filtering toxins in the body is the lymphatic system. The key players in the process of looking for target proteins are lymphocytes, which move via lymph nodes that are dispersed all throughout the body. The word "lymphadenopathy" describes the enlargement of lymph nodes. Small glands called lymph nodes are in charge of filtering fluid from the lymphatic system. They are separated into follicles, which are further divided into B zones and T zones, the primary sites of lymphocyte maturation. Clinicians must conduct a thorough history and physical examination in order to test for lymphadenopathy since abnormal lymphocyte proliferation might be caused by inflammation, infection, or cancer.
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The complete question is:
An Anatomy and physiology instructor is discussing the lymphatic system of the head and neck. Why would the instructor emphasize the importance of the drainage pattern of the lymph?
A. Nurse needs to follow lymph patterns to track the course of a disease.
B. The drainage pattern can help the nurse understand why the disease is spreading.
C. Enlargement of a node may be a sign of pathology that is distant from that node.
D. The drainage pattern may help pinpoint a fluid or electrolyte imbalance.
PLEASE HELP, THIS NEEDS TO BE DONE BY TODAY
The best response is to repeat the experiment and increase the square meter. Option D
What is the sample size of an experiment?The number of participants who are a part of a study or experiment is referred to as the sample size. It symbolizes the population segment chosen for data collecting and analysis. In research, sample size is a crucial factor since it has an impact on the validity and generalizability of the results.
A bigger sample size typically yields results that are more reliable and representative, minimizing the influence of random variation or chance.
By increasing to 5 square meter, he can be able to get a larger sample size and the accepted by the peer reviewers.
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If a battery produced 12.6 volts, what would the current flow be for a 6 Ohm resistor
Answer:
I = 2.1 A
Explanation:
This is physics, but I will answer here either way.
First, the battery produces a voltage of 12 V in a resistor with 6 ohm, and we want the current flow (I). We need to apply the following expression:
V = R * I (1)
This is the Ohm's law. From here we can solve for I and:
I = V/R (2)
Now, we just need to replace the data and solve for the current:
I = 12.6 / 6
I = 2.1 AHope this helps
In contrast to dextrins, limit dextrins contain some
A• glucoses molecules linked by 1-6 bonds
B. glucose molecules linked by 1-4 bonds
C• only fructose molecules
D• glucosed molecules linked by 1-1 bonds
In contrast to dextrins, limit dextrins contain some glucose molecules linked by 1-6 bonds.
Limit dextrins are intermediate products formed during the enzymatic breakdown of starch. They are characterized by having branched structures, with glucose molecules connected by 1-4 and 1-6 glycosidic bonds. While dextrins primarily consist of glucose molecules linked by 1-4 bonds, limit dextrins contain additional branches created by the presence of 1-6 bonds. These branched structures contribute to the unique properties and functions of limit dextrins in various biological and food-related processes.
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The cell membrane is semi-permeable only allowing certain materials in and out of the cell?
True
False
In other words, plasma membranes are selectively permeable—they allow some substances through but not others. In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion.
a combined experimental and computational framework toevaluate the behavior of therapeutic cells for peripheral nerveregeneration
The combined experimental and computational framework aims to evaluate the behavior of therapeutic cells in the context of peripheral nerve regeneration.
This framework involves conducting experiments in a laboratory setting to study the behavior of therapeutic cells, such as stem cells or other regenerative cell types, in promoting peripheral nerve regeneration. These experimental studies can involve in vitro cell culture experiments or in vivo animal models. Additionally, computational models and simulations are developed to complement the experimental findings. These models utilize mathematical and computational algorithms to simulate and predict the behavior of therapeutic cells within the complex biological environment of peripheral nerve regeneration. Computational modeling can help in understanding the underlying mechanisms, predicting outcomes, and optimizing therapeutic strategies. By combining experimental observations with computational modeling, this framework offers a comprehensive approach to evaluating and understanding the behavior of therapeutic cells in peripheral nerve regeneration, aiding in the development and optimization of potential therapies for nerve repair and regeneration.
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Consider a group of 1,000 newborn infants. One hundred (100) infants were born with serious birth defects, and 20 of these 100 died during the first year of life. Ninety (90) of the 900 remaining infants without any birth defects also died during the first year of life. Calculate the overall cumulative incidence of mortality in this population.
The overall cumulative incidence of mortality in the population of 1,000 newborn infants is 11% (110 out of 1,000).
To calculate the overall cumulative incidence of mortality, we need to consider the total number of deaths in the population.
Out of the initial 1,000 newborn infants, 100 were born with serious birth defects, and 20 of these infants died during the first year. Additionally, out of the remaining 900 infants without birth defects, 90 died during the first year.
Therefore, the total number of deaths in the population is 20 + 90 = 110.
To calculate the overall cumulative incidence of mortality, we divide the total number of deaths by the total population and multiply by 100 to express it as a percentage.
Thus, (110 / 1,000) * 100 = 11%.
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the process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called
The process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called eutrophication.
Eutrophication occurs when there is an excessive input of nutrients, such as nitrogen and phosphorus, into a body of water, often from sources like agricultural runoff or sewage discharge.
These excess nutrients promote the rapid growth of algae and other aquatic plants, leading to an algal bloom. As the algae die and decompose, bacteria and other microorganisms consume oxygen during the decomposition process, resulting in oxygen depletion in the water. This oxygen depletion can have detrimental effects on aquatic organisms, leading to fish kills and other ecological imbalances.
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Does sound travel faster in a warm room or a cold room?
Edplain your answer.
Answer:
Answer and Explanation: Sound travels faster in a warm room because the molecules are moving faster.
Fracture zones are common in -
A. in oceanic sediment.
D. where mountains form by compression.
C. deep within oceanic trenches.
B. along mid-ocean ridges.
Answer: I think is A
what are the muscles involved in inhalation and exhalation? 2. cobra venom contains a neurotoxin that prevents the brain from telling the diaphragm when to contract. how would this impact the respiration of an individual bit by a cobra? if there is no cobra anti-venom, what would need to be done for a cobra bite victim to survive?
Inhalation and exhalation are controlled by respiratory muscles. Cobra venom's neurotoxin can cause respiratory failure, requiring immediate medical attention for survival.
Inhalation and exhalation are controlled by the respiratory muscles, including the diaphragm, intercostal muscles, and accessory muscles. During inhalation, the diaphragm contracts, flattening and moving downwards, while the intercostal muscles expand the rib cage.
This increases the volume of the chest cavity, causing air to rush into the lungs. During exhalation, the diaphragm and intercostal muscles relax, causing the chest cavity to decrease in size, and the air is pushed out of the lungs.
The neurotoxin in cobra venom prevents the transmission of nerve impulses from the brain to the diaphragm, resulting in respiratory failure. This can lead to severe breathing difficulties, eventually leading to respiratory arrest and death. If anti-venom is not available, immediate medical attention is required.
The victim may need to be placed on a ventilator to assist with breathing, and supportive measures such as oxygen therapy and administration of fluids may be required to stabilize the individual. Additionally, the bite wound should be cleaned and immobilized to prevent further spread of venom. Seeking medical attention immediately is crucial for the victim's chances of survival.
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7. What is a layout of chromosomes in humans in order from largest to smallest with the
sex chromoosomes at the end called?
Answer:
Look down!!! ;)
Explanation:
In a human karyotype, autosomes or “body chromosomes” (all of the non–sex chromosomes) are generally organized in approximate order of size from largest (chromosome 1) to smallest (chromosome 22). However, chromosome 21 is actually shorter than chromosome 22.
Hope this helps!! ;)
C) Explain why antibiotics can be used to treat bacterial infections, but not viral infections
Answer:
Antibiotics are strong medicines that treat bacterial infections. Antibiotics won't treat viral infections because they can't kill viruses.
Explanation:
You'll get better when the viral infection has run its course. Common illnesses caused by bacteria are urinary tract infections, strep throat, and some pneumonia.
Antibiotics are strong medicines that treat bacterial infections. Antibiotics won't treat viral infections because they can't kill viruses.
Explain how antibiotics can be used to treat bacterial infections?You'll get better when the viral infection has run its course. Common illnesses caused by bacteria are urinary tract infections, strep throat, and some pneumonia.
Thus, Antibiotics won't treat viral infections because they can't kill viruses.
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includes joints between the vertebral bodies and the pubic symphysis
The joints between the vertebral bodies and the pubic symphysis.
The joints between the vertebral bodies are called intervertebral joints, which include two types: the intervertebral discs and the facet joints. Intervertebral discs are cartilaginous joints that provide cushioning and support between the vertebral bodies, while facet joints are synovial joints that allow for movement and flexibility between adjacent vertebrae.
The pubic symphysis is a secondary cartilaginous joint located in the pelvis. It connects the two pubic bones and provides stability and some flexibility to the pelvic region. This joint is essential for weight-bearing and walking.
In summary, the intervertebral joints and the pubic symphysis are essential for maintaining stability, flexibility, and movement in the spine and pelvic region.
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Why do double circuit heart than a single circuit heart.
Answer:
double circulation is more efficient. They ensure that we're giving our tissues and muscles blood full of oxygen, instead of a mixture of oxygenated and deoxygenated blood
A baseball in motion is acted upon by four directional forces as shown
What must be true of the forces for the baseball to continue to move in the same direction with the same speed?
Answer:what is the answer
Explanation:
Which of the following best characterizes injuries to the patagium? Injuries are-
A: rare and small injuries heal well.
B: frequent due to fighting between bats.
C: not likely to heal and bats usually die from them.
D: common during birth and can contribute to infant mortality.
The model below represents an atom of which element on the periodic table?
Answer: Aluminum
Explanation:
The normal Aluminum is 13p+ and 13n. (13+13)
===> Aluminum-26 (or we just call it Aluminum)
This one has 13p+ and 14n. (13+14)
===> Aluminum-27
if anyone has a biology question let me know i may be able to help you out, thanks
Answer:
Ok! thank so much for letting me know!
In the attachment studies conducted with infant monkeys, what did the Harlows find?
a. Nutrition was the most important factor in attachment.
b. Contact comfort was the most important factor in attachment.
c. The surrogate mother's appearance was the most important attachment factor.
d. Monkeys were equally likely to become attached to either surrogate mother.
e. The monkeys didn't form attachments to the surrogate mothers.
In the attachment studies conducted with infant monkeys, the Harlows find did was b. contact comfort was the most important factor in attachment.
The Harlows conducted a series of attachment studies with infant monkeys in the 1950s and 1960s. In these studies, they used two different types of surrogate mothers: one made of wire and one made of soft cloth.
The Harlows found that the infant monkeys preferred the cloth surrogate mother, even if the wire mother provided food. This indicated that contact comfort, or the physical comfort of being held and touched, was more important for attachment than nutrition or the surrogate mother's appearance. The Harlows' studies helped to demonstrate the importance of physical contact and comfort in the development of attachment bonds.
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Question 26 of 35
Corundum is the second-hardest mineral on Mohs' hardness scale. How does
this property make corundum useful to humans?
A. It means corundum can be used to make fireworks yellow.
B. It means corundum can be used to flavor foods.
C. It means corundum can be used as pencil lead.
D. It means corundum can be used to grind down and shape
fingernails.
Answer: it means corundum can be used to grind down and shape fingernails
Explanation:
Answer:
D
Explanation: