Questions
Even organisms whose embryos are conditionally specified must have at least one autonomous specification event. Why?

Even organisms whose embryos are conditionally specified must have at least one autonomous specification event. Why?

In: Biology

How might RBC production be altered to compensate for changes to hemoglobin that result in an...

How might RBC production be altered to compensate for changes to hemoglobin that result in an abnormally high affinity for O2?

In: Biology

Six people had submitted urine samples to the laboratory. The samples were given at the same...

Six people had submitted urine samples to the laboratory. The samples were given at the same time, and the amount of urine was equal in all samples. Your task is to help with the information

below about the different test subjects, analyze what each person's urine sample should show. Background information:

1. One person was completely healthy

2. A person suffered from untreated diabetes

3. One person worked in a factory with hot and dry air

4. One person produced too little antidiuretic hormone

5. A person suffered from a hereditary defect on the nephron's basement membrane (it is too sparse)

6. A person has urinary tract infection

Please read about the function of the kidneys and its parts and how the function is regulated. Describe how much urine the people in question would have, and how one might test its properties. It can be good to also search on the internet.

You must explain in detail and in a nuanced manner the meaning of concepts and models that relate to the kidney structure and function linked to the scenarios set in the question, also highlight specific methods for testing urine properties in all situations and explain why you can use these tests in conjunction with these scenarios. The report should also have a clear structure with a red thread, and that is easy to follow in the text. You use different types of sources and make well-founded and nuanced assessments of the credibility and relevance of the information and sources.

In: Biology

describe what double fertilization means in angiosperms

describe what double fertilization means in angiosperms

In: Biology

How has our cultural behaviour affected how we evolved from archaic hominins to modern humans? What...

How has our cultural behaviour affected how we evolved from archaic hominins to modern humans?

What did our ancestors achieve that they would not have otherwise were it not for our
cultural adaptations?

In: Biology

Describe how transfer RNAs (tRNAs) fulfill their role in protein synthesis. Give an example.

Describe how transfer RNAs (tRNAs) fulfill their role in protein synthesis. Give an example.

In: Biology

At the end of the electron transport chain, all of the following statements are correct, EXCEPT:...

At the end of the electron transport chain, all of the following statements are correct, EXCEPT:

Select one:

a. produce most of the ATP needed for life

b. The oxygen taken in during respiration is used to produce carbon dioxide during the Kreb cycle.

c. oxidize glucose metabolites to produce carbon dioxide, water and ATP

d. the electrons combine with oxygen and protons to form water

In: Biology

Write ten exam questions in your own words and provide good answers for the questions.   Five...

  1. Write ten exam questions in your own words and provide good answers for the questions.  
  2. Five of your questions should cover terms from the material on The Digestive System, and five of your questions should cover terms from the material on The Urinary System.
  3. No more than two of your questions can be true/false style questions.
  4. No more than four of your questions can be multiple choice style questions.
  5. At least two of your questions must involve providing at least one full sentence to answer the question.

In: Biology

Describe the role of the bifunctional enzyme in the reciprocal regulation of glycolysis and gluconeogenesis.

Describe the role of the bifunctional enzyme in the reciprocal regulation of glycolysis and gluconeogenesis.

In: Biology

1. Antibiotics are more effective when the bacteria causing an infection are actively growing. Why do...

1. Antibiotics are more effective when the bacteria causing an infection are actively growing. Why do you think this is? During which phase of growth( lag,log,stationary,or death) do you think antibiotics are most effective?

In: Biology

Bower birds are unique to Australia. These ground dwelling birds build elaborate grass nests and decorate...

Bower birds are unique to Australia. These ground dwelling birds build elaborate grass nests and decorate them with brightly colored objects (often bits of trash and plastic) to attract a female. The birds use all sorts of colorful items and arrange their displays to try to be most appealing to the female (either using all one color of item or creating a rainbow jumble of plastic trash!) and arrange them artfully to attract females. The females choose their mates based on the brightness and elaborateness of the male’s nest displays. Why might these birds have evolved into such fantastic animal architects?

In: Biology

name and michanism of diseaes related to conncentive tissue and the important thing is the referance...

name and michanism of diseaes related to conncentive tissue and the important thing is the referance which i want from a book or a paper

In: Biology

The heritability of an animal’s preference for different habitats or host plants might be high or...

  1. The heritability of an animal’s preference for different habitats or host plants might be high or low. How might heritability affect the likelihood of sympatric speciation by divergence in habitat or host preference?

In: Biology

What is CreERT2? Give an example of how it can be used

What is CreERT2? Give an example of how it can be used

In: Biology

First outline the general scheme for signal transduction or the "players" involved in transmitting a signal...

First outline the general scheme for signal transduction or the "players" involved in transmitting a signal across a membrane. Explain how a signal transduction system amplifies the original signal. Then explain how membrane fluidity and induced changes in protein structure are critical for this signaling mechanism.

In: Biology