Answers
Lymphatic system
The lymphatic system is made up of vessels and lymph nodes and its main function is the transport and circulation of fluids that are present in the body's tissues.
Thus, we can say that the lymphatic system resembles the cardiovascular system because the cardiovascular system is also composed of vessels and its main function is to circulate blood in the body.
So "cardiovascular system" is the answer.
Related Questions
how can identifying birds in your area help scientists
Answers
Answer:
it can help them by seeing what birds are in your area an any new species that might have traveled to your area but it can also help scientist learn about some of the birds.
Birds contributing their data go beyond identifying birds to recording their sightings and additional details. then they deposit their records online in a permanent archive.
Bio question please help
Answers
Answer:
A) 4:4:4:4
Explanation:
Using the Punnett square, we can determine the genotype and phenotype of the possible offsprings:
- 4 with the genotype Ss tt, resulting in long trunk and big ears
- 4 with the genotype ss Tt, resulting in short trunk and small ears
- 4 with the genotype Ss Tt, resulting in long trunk and small ears
- 4 with the genotype ss tt, resulting in short trunk and big ears
Knowing this, the first option of 4:4:4:4 makes the most sense.
In a nucleotide, the nitrogenous base is attached to the sugar at
A. C1
B. C2
C. C3
D. C5
Answers
Answer:
It's A!!!!!!!!!!!!!!!
4. The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell would be: which option is correct a) 1 mole of ATP b) 2 moles of ATP c) 3 moles of ATP d) 4 moles of ATP e) 6 moles of ATP
Answers
The ATP yield from 2 moles of mitochondrial NADH under aerobic conditions in a eukaryotic cell is approximately 4 moles of ATP.
During oxidative phosphorylation, each mole of NADH can generate around 2.5 to 3 moles of ATP. Therefore, for 2 moles of NADH, the total ATP production would be in the range of 4 to 6 moles of ATP. While the more precise estimate falls within the 4 to 6 moles range, the closest option provided is 4 moles of ATP. It is important to note that the exact ATP yield can vary depending on factors such as the efficiency of the electron transport chain and the specific conditions within the cell.Since there are 2 moles of mitochondrial NADH, the total ATP yield would be around 4 to 6 moles of ATP. However, the most accurate option among the given choices is 4 moles of ATP.
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29. Brain has one son, two grandchildren, and three great-grandchildren. This is example of
O exponential growth.
Odynamic growth.
O linear growth.
Obinary growth.
Answers
This is an example of exponential growth.
Exponential growth refers to a pattern of growth where the quantity or size of something increases at an accelerating rate over time.
In the given scenario, Brain has one son, two grandchildren, and three great-grandchildren.
Each generation is producing more offspring, resulting in a rapidly increasing number of descendants.
The progression from one generation to the next demonstrates exponential growth because each subsequent generation adds more individuals than the previous one.
As the generations continue, the number of descendants grows exponentially larger.
Exponential growth can be observed in various natural and human-made systems, such as population growth, compound interest, and the spread of infectious diseases.
In this case, the number of descendants in Brain's family tree follows an exponential pattern, as each new generation multiplies the number of offspring, leading to a significant growth rate.
Therefore, the example given aligns with the concept of exponential growth.
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If you were a mystical creature which one would you be
Answers
03 M Pwork Vusi investigated metal wires of equal length and diameter made from copper, iron, aluminium and silver. He heated the metal wires for the same amount of time. He wanted to find out which wire would be the best conductor of heat without melting. a) Explain what a variable is.
Answers
A variable is a factor that can be manipulated in an experiment. It is an aspect that affect the outcome of an experiment.
Thus, in scientific research, variables are controlled or measured to determine their effect on the dependent variable. In this case, Vusi is investigating the heat conductivity of different metals in an experiment, where the metal itself is an independent variable.
Variables are important in experiments because by manipulating and controlling variables, researchers can draw conclusions about the behavior of the system under investigation. In the experiment of Vusi, the use of variables allows him to draw conclusions about the relative heat conductivity of the different types of metal.
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Amylase is an enzyme that digests starch.
A student investigated the effect of pH on the activity of amylase.
This is the method used.
1.
Mix amylase solution and starch suspension in a boiling tube.
2.
Put the boiling tube into a water bath at 25°C.
Remove a drop of the mixture every 30 seconds and test it for the presence of
starch.
3.
4.
Repeat the investigation at different pH values.
The table below shows the students' results.
PH
Time when no starch was
detected in minutes
5.0
7.0
5.5
4.5
6.0
3.0
2.0
6.5
7.0
1.5
7.5
1.5
8.0
2.0
(a)
The student concluded pH 7.25 was the optimum pH for the amylase enzyme
This is not a valid conclusion.
Suggest two reasons why.
Answers
Answer:
a
Explanation:
I took the test and got it right
Amylase is an enzyme that digests starch.
A student investigated the effect of pH on the activity of amylase is The student concluded pH 7.25 was the optimum pH for the amylase enzyme.
What is a definition of enzyme?An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell.
Thus, option "A" is correct.
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As glaciers are receding, what is happening to the crust?
Answers
Answer: The enormous weight of this ice caused the surface of the Earth's crust to deform and warp downward, forcing the viscoelastic mantle material to flow away from the loaded region.
Explanation:
Answer:
Its is rising :)
Explanation:
Suppose you are studying epigenetic modifications in the Genetics lab. You isolated the chromatin of Symbiodiniaceae from an anemone and used electron microscopy to examine the chromatin structure. You observed he chromatin structure is similar to ours, like beads on a string. After several tries of different techniques, you are able to analyze the core histones of the Symbiodiniaceae obtaining the following results:
Histone Percentage
H1 25%
H2A 12.5%
H2B 25%
H3 12.5%
H4 0%
H8
(new histone) 25%
Which of the following would you include in your lab report about the likely structure of the nucleosome in the chromatin of Symbiodiniaceae?
a. The nucleosome core contains a heterodimer of the histones H2A and H3
b. The nucleosome core contains two homodimers of each of histones H1, H2B, and H8
c. The nucleosome core contains one of each of histones H2A and H3
d. The nucleosome core contains more types of histones than our nucleosome core
e. The nucleosome core contains a homodimer of each of the histones H1, H2B, and H8
Answers
A student is observing a group of
cells under a microscope
Answers
Answer:
ok so see it by magnifi,a
Explanation:
since the question isnt fully written sorry
In science, the water cycle has been discussed many times, as it is a
valuable resource to all life on our planet. Pretend you are a raindrop. Write about the best possible journey that you, as a drop of water, can make. Your essay can include your adventures through three main parts of the adventures you encounter when you reach Earth. Include details like the specific places you visit and descriptions of what you see, feel, or touch.
water cycle (evaporation, condensation, precipitation) or just the
I will be looking for at least 3 paragraphs, at least 6 sentences in each.
Answers
My journey as a raindrop has been incredible and eye-opening. From highest peaks to the deepest oceans, I have seen beauty and diversity of the planet.
What is water cycle?Biogeochemical cycle that describes continuous movement of water on, above and below the surface of Earth is called water cycle.
As a raindrop, my journey begins as I am lifted into atmosphere by the warmth of the sun. I start to evaporate and rise high in the sky, floating among clouds.
As I travel higher and higher, I start to cool down and condense into small water droplet. Then, wind picks up, and our cloud begins to move.
And finally, we reach our destination, and it's time for me to bid farewell to my cloud friends. I fall from sky as precipitation. I fall onto the roof of a house and am absorbed into gutter, joining other water droplets to form a stream.
The stream carries me through various landscapes, including rocky canyons and lush forests, until I finally reach a river. After a long journey, I finally reach my final destination, the ocean. I join millions of other water droplets, and together we form vast, beautiful body of water.
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Day three code word
Answers
Answer:
Explanation: lol
Select all that apply. Chromosomes ,
Are located in the nucleus
Occur in numbers that are the same for all organisms
Occur in number that are the same for all members of a certain species
Answers
Answer:
The correct appropriate is "Option A" and "Option C".
Explanation:
Throughout the nucleus of every other compartment, this same DNA molecule would be packed into article structures recognized as chromosomes. Every other chromosome consists of even more DNA that is sometimes tightly as possible wrapped numerous times all over proteins which encourage the latter's configuration.The other option in question is not related to either the type of situation. So the two above are the right options.
Which is required for both anaerobic respiration and aerobic respiration?
Answers
Answer:
Water, mitochondria, and glucose are all required for both anaerobic respiration and aerobic respiration.
Both anaerobic respiration and aerobic respiration require glucose as a source of energy as glucose is a molecule that is converted into energy in cells and that is used as a fuel source in both aerobic and anaerobic respiration.
What is the significance of the two types of respiration?Aerobic respiration is a type that takes place in the presence of oxygen and forms energy and carbon dioxide and it is the most efficient type of cellular respiration, while on the other hand, anaerobic respiration takes place in the absence of oxygen and results in the production of energy and other metabolic byproducts, such as lactic acid or alcohol.
Hence, both anaerobic respiration and aerobic respiration require glucose as a source of energy as glucose is a molecule that is converted into energy in cells and that is used as a fuel source in both aerobic and anaerobic respiration.
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why plants use both photosynthesis and cellular respiration, while animals only use cellular respiration.
Answers
Answer:
Explanation:
Plants use both photosynthesis and cellular respiration to generate energy because they have organelles called chloroplasts that enable them to carry out photosynthesis. Chloroplasts contain chlorophyll, which allows plants to convert light energy into chemical energy in the form of glucose.
However, photosynthesis only occurs during the day, when there is sufficient light available. At night or in the absence of light, plants still need to generate energy to carry out cellular processes, such as growth, repair, and reproduction. This is where cellular respiration comes in.
Cellular respiration is the process by which cells break down glucose to generate energy in the form of ATP (adenosine triphosphate). Unlike photosynthesis, which only occurs in plants and some bacteria, cellular respiration occurs in all living organisms, including plants, animals, and microorganisms.
Animals only use cellular respiration to generate energy because they do not have chloroplasts and cannot carry out photosynthesis. Instead, they obtain energy by consuming other organisms, either directly or indirectly. The food they consume contains organic compounds, such as carbohydrates, proteins, and fats, which are broken down during cellular respiration to generate ATP.
In summary, plants use both photosynthesis and cellular respiration because they have chloroplasts that enable them to generate energy from sunlight during the day, while also using cellular respiration to generate energy at night or in the absence of light. Animals, on the other hand, only use cellular respiration because they do not have chloroplasts and cannot carry out photosynthesis.
Question 10 of 25
The development of cars has been good in some ways and bad in others. The
car has allowed for better transportation but it is also responsible for a great
deal of pollution. Which activity helps solve the pollution problem through the
use of new technology?
A. Encouraging people to walk more
B. Encouraging people to ride a bus
ОО ОО
C. Building cars that give off less pollution
D. Building fewer cars
SUB
Answers
Look at the incomplete equation below. What does Ek represent?
Answers
In the given equation, Ek represents the kinetic energy of an object.
Kinetic energy (Ek) is a form of energy associated with the motion of an object. It is dependent on both the mass (m) and the velocity (v) of the object.
The equation Ek = (1/2)m\(v^2\) represents the formula to calculate the kinetic energy of an object.
The symbol "Ek" is commonly used to represent kinetic energy in scientific calculations and equations. By plugging in the values of mass and velocity into the equation, one can calculate the amount of kinetic energy possessed by the object.
The kinetic energy of an object increases with both its mass and velocity. As the mass increases, the object has more particles in motion, contributing to higher kinetic energy.
Similarly, as the velocity increases, the speed at which the object moves also increases, resulting in greater kinetic energy.
Therefore, understanding and calculating kinetic energy is important in various scientific and engineering applications, such as studying the movement of objects, analyzing collisions, or designing efficient systems.
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Question
Look at the incomplete equation below. What does Ek represent?
Ek =----- x m x v2
why do you add chilled methylated spirits to the filtrate
Answers
Answer:
The detergent breaks apart the cellular membranes and the salt binds to the DNA to make it less able to remain soluble in water (it neutralizes the charge of the DNA and it is less able to bind to water).
Explanation:
hope this helps
What is unique about the cells that are created at the end of meiosis II?
O They contain half the genetic material of their mother cells, and they become gametes.
O They contain twice the genetic material as their mother cells, and they become gametes.
O They contain twice the genetic material as their mother cells, and they become skin.
O They contain half the genetic material of their mother cells, and they become skin cells.
Answers
If all burning of fossil fuels was stopped today, why will temperatures continue to rise? A) Fossil fuel emissions are not responsible for the enhanced greenhouse effect. B) Greenhouse gases remain in the atmosphere for many years. C) Deforestation must also be stopped in order for temperatures to decline. D) Increased methane emissions will more than make up for the difference.
Answers
Answer:
I think it's d)
Explanation:
What's your guess?
If the burning of fossil fuels was stopped immediately, the temperature still continues to rise because of the green house gases which remain in the atmosphere for many years. Thus, the correct option is B.
What causes global warming?Global warming is the increase in the temperature of the planet as a whole due to many factors such as burning of fossil fuels, deforestation, pollution, increase in green house gases, etc.
Global warming lead to the depletion of ozone layer and affect the air quality which can cause various diseases. If the burning of all fossil fuels was stopped today, the temperature of the planet still continues to rise because of the green house gases which remain in the atmosphere for many years. These are the heat-trapping gases.
Therefore, the correct option is B.
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what is geological substratum
Answers
Answer:
Explanation:
Geological substratum refers to the solid rock or layer of Earth's crust that lies beneath the soil, sediment, or other surface materials.
Hope it helps!!
Select a potted plant from the garden and keep it in a room for five days as shown in the diagram. After five days, you can see that most of the leaves of the plant change yellow. What could be a systematic method to ask right questions? Make a hypothesis or educated guess, conducting scientific experiment and activities about the existing facts to figure out a conclusion in accordance with the scientific learning process.
Answers
Answer:
Explanation:
To systematically investigate the yellowing of the plant's leaves, you can follow these steps:
1- Observation: Observe and note that after five days in the room, most of the plant's leaves have turned yellow.
2- Question: Ask yourself, "Why did the leaves of the potted plant turn yellow after being kept in the room for five days?"
3- Hypothesis: Make an educated guess about the possible cause of the yellowing. For example, you could hypothesize that the lack of sunlight in the room caused the leaves to turn yellow.
4- Experiment: Design an experiment to test your hypothesis. Place another potted plant in a different room with similar conditions but with sufficient sunlight.
5- Data collection and analysis: Record and compare the condition and color of the leaves in both plants after five days. If the plant with sunlight has green leaves while the one in the room still has yellow leaves, it supports your hypothesis.
6- Conclusion: Based on your observations and the results of the experiment, conclude that the lack of sunlight may be the cause of the yellowing of the plant's leaves.
By following these steps, you can systematically ask the right questions, form a hypothesis, conduct an experiment, and reach a conclusion using the scientific learning process.
Hope it helps!!! :)
A systematic method to ask the right questions, make educated guesses, conduct scientific experiments, and arrive at a conclusion is to follow the scientific method as follows:
Make observationsAsk questionsFormulate a hypothesisDesign and conduct experimentsCollect and analyze dataDraw a conclusionA hypothesis could be; The yellowing of the plant's leaves is a result of reduced exposure to sunlight.
Why do the leaves of a potted plant kept away from sunlight turn yellow?The yellowing of leaves in a potted plant kept away from sunlight is primarily due to a process called chlorosis which is the loss or reduction of chlorophyll in plant tissues.
When a potted plant is kept away from sunlight or receives insufficient light, the plant is unable to carry out photosynthesis. Consequently, the chlorophyll content in the leaves decreases, and they start to lose their green color.
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How did Democritus contribute to the understanding of matter?
A
He saw the first atom under a microscope.
B
He is credited with first proposing the idea of atoms.
C
He is credited with being the first to think of elements combining to make more complex forms of matter with his idea of fire, water, air, and earth.
Answers
Democritus contribute to the understanding of matter as He is credited with first proposing the idea of atoms.
Democritus, state that atoms are definitive to the material they are composed of . In addition, Democritus believed that the atoms differed in size and shape, and their motion is also constant. when they collided with each other they get rebound or stick together.
Democritus state that all matter was formed of different types of tiny discrete particles . Democritus was the first person in the development of the atomic theory of the universe.
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how do the germinal discs differ between the eggs?why?
Answers
Answer:
Germinal disk (blastoderm) -- a small, circular, white spot (2-3 mm across) on the surface of the yolk; it is where the sperm enters the egg. The nucleus of the egg is in the blastodisc. The embryo develops from this disk, and gradually sends blood vessels into the yolk to use for nutrition as the embryo develops.
Explanation:
Write me a 10 minute speech about varicella zoster
Need it asap
Answers
Varicella Zoster is an infectious viral disease causing chickenpox in children and shingles in grown-ups. Inoculation plays a crucial part in avoidance and lessening complications.
Aspeech on Varicella-ZosterWomen and noblemen,
Nowadays, I would like to examine a vital and predominant viral disease known as Varicella Zoster. Varicella Zoster, commonly alluded to as chickenpox, is caused by a varicella-zoster infection. It fundamentally influences children, but can too affect grown-ups who have not been already contaminated.
Varicella Zoster presents as a profoundly infectious sickness characterized by a particular hasty, fever, and common disquietude. The infection spreads through coordinated contact or respiratory beads, making it effortlessly transmissible inside families and communities.
Whereas chickenpox is for the most part a gentle ailment in children, it can lead to more serious complications in grown-ups, pregnant ladies, and people with debilitated resistant frameworks. These complications incorporate pneumonia, bacterial contaminations, and in uncommon cases, neurological complications such as encephalitis.
Luckily, the improvement of a profoundly successful antibody has essentially diminished the frequency of Varicella Zoster around the world. Immunization not as it were secures people from the distress and potential complications of chickenpox, but too makes a difference anticipate the infection from spreading inside the community.
In any case, Varicella Zoster doesn't halt at chickenpox. Once the introductory contamination settles, the infection remains torpid inside the body and can reactivate a long time afterward, causing a condition known as herpes zoster, or more commonly, shingles.
Shingles are characterized by a difficult hasty that ordinarily happens in a single dermatome, regularly along the middle or confront. The reactivated infection can cause critical pain and inconvenience, enduring for weeks or indeed months. Moreover, complications such as postherpetic neuralgia, a persistent torment disorder, can happen, especially in more seasoned people.
To combat the chance of shingles, an isolated antibody called the shingles antibody or herpes zoster immunization has been created. This antibody not as it were makes a difference anticipate shingles but moreover diminishes the chance of postherpetic neuralgia.
In conclusion, Varicella Zoster, enveloping both chickenpox and shingles, could be a viral contamination that has critical suggestions for open well-being. We have made significant progress in reducing the burden of this disease through extensive vaccination efforts.
In any case, ongoing efforts to prevent Varicella zoster from returning to our communities and to protect powerless populations require prompt attention and vaccination.
Much obliged to you for your thought. Let's collaborate to ensure a better future for everyone.
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Which of the following statements about HIV is false?
a. Symptoms appear immediately after the disease in contracted.
b. It can be many years between infection and the appearance of symptoms.
c. It is spread through the exchange of blood or other bodily fluids.
d. HIV and AIDS have no cure.
Answers
Answer:
A is false
Explanation:
HIV and AIDS is a disease that IS spread through the exchange of bodily fluids. There are treatments but NO official cure. Symptoms can appear immediately but its more common for people to feel and appear fine for months and even years.
(Resource: Planned Parenthood)
Darwin was influenced by many other scientists including the economist Malthus, who studied population size. Based on Malthus’ research, what did Darwin infer about why natural selection is a result of overpopulation? (Overpopulation: Too many animals)
a. When there was overpopulation, there were too many different species in one area.
b. When there was overpopulation, there was more food than is needed by a population.
c. When there was overpopulation, there were too few organisms to enable all to survive.
d. When there was overpopulation, there were more offspring than the environment could support.
Answers
Based on Malthus’ research, Darwin indicated that the process of natural selection is a result of overpopulation because d. When there was overpopulation, there were more offspring than the environment could support.
What is Darwin's evolutionary theory of natural selection?Darwin's evolutionary theory of natural selection makes reference to the differential survival and reproduction rate of the most adapted phenotypes in a given environmental condition, which depends on the maximization of the available resources for this environment.
Moreover, Thomas Malthus developed the so-called Malthusian model of growth, which indicates that food production may not be enough to keep up with the growth of a given population of people.
Therefore, with this data, we can see that Darwin's evolutionary theory of natural selection is based on the existence of limited resources and the competence between the organisms for such resources in particular environmental conditions and factors.
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1. The human nervous system is capable of a wide range of functions. What is the basic unit of the nervous system? A. Glial cell C. Neuron D. Cerebrospinal fluid B. Meninges
Answers
Answer:
C. Neuron / Look for more answers similar to this question to cross-reference the different choices that you come up with.
Explanation:
The neuron is the basic unit of the whole nervous system. Dendrites are a component of the neuron and glial cells provide support to neurons. The brain and spinal cord compose the central nervous system.
Answer:
Option C
Explanation:
The answer is the nerve cell or the option C "neuron." A neuron is responsible for many things relating to the human nervous system which includes sending messages to our muscles, (assisting with body movements) communicates with the other cells and tells them when the body is feeling pain and is responsible to receive and send information throughout the body. A good example of a neuron function in touching something that is hot or something that burns your body. The neurons are the cells that receive the information and send the message to the brain telling it that the heat is burning the body or that it's hot which makes you aware of the pain almost instantly.
Hope this helps.
Which of the following are usually associated with good weather and sunshine?
Answers
Answer:
Warm fronts and high pressure systems
Explanation: