Question 1

Which amino acids can be directly deaminated to produce NH4+?

Accepted Answer

A)   serine and threonine
B)   serine, asparagine, and threonine
C)   proline and threonine
D)   serine and valine
E)   None of the above.

Question 2

Serine dehydratase catalyzes the conversion of serine into NH4+ and ___________________.

Accepted Answer

The answer of Serine dehydratase catalyzes the conversion of serine...

Question 3

The urea cycle is:

Accepted Answer

A)   a system for protein degradation and turnover.
B)   responsible for nitrogen fixing.
C)   responsible for the filtering of nitrogen by the kidney.
D)   a system involved in transporting nitrogen from muscle to the liver.
E)   None of the above.

Question 4

Use the following to answer questions 
Choose the correct answer from the list below. Not all of the answers will be used.
-The class of enzymes that cleaves most aromatic rings in biological systems is _____________.

Accepted Answer

A)  hyperammonemia
B)  aminotransferases
C)  methionine
D)  S-adenosylmethionine
E)  glutamate dehydrogenaseF) oxaloacetateG) biopterinH) glutamateI) hippurateJ) ureaK) dehydrataseL) dioxygenasesM) ammonia disorder

Question 5

What general feature is involved in the degration of aromatic amino acids?

Accepted Answer

The cleavage of arom...

Question 6

What is the basic strategy by which proteins are degraded?

Accepted Answer

Proteins are degraded to amino acids and...

Question 7

Biopterin is a complicated coenzyme required for the conversion of phenylalanine to tyrosine. Why is biopterin not considered a vitamin?

Accepted Answer

Because it is synthe...

Exam 30: Amino Acid Degradation and the Urea Cycle

Which amino acids can be directly deaminated to produce NH4+?

Correct Answer
verified

The urea cycle is:

Correct Answer
verified

Biopterin is a complicated coenzyme required for the conversion of phenylalanine to tyrosine. Why is biopterin not considered a vitamin?

Correct Answer
verified
Because it is synthe...
View Answer

What general feature is involved in the degration of aromatic amino acids?

Correct Answer
verified
The cleavage of arom...
View Answer

Serine dehydratase catalyzes the conversion of serine into NH4+ and ___________________.

Correct Answer
verified

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The class of enzymes that cleaves most aromatic rings in biological systems is _____________.

Correct Answer
verified

What is the basic strategy by which proteins are degraded?

Correct Answer
verified
Proteins are degraded to amino acids and...
View Answer

Exam 30: Amino Acid Degradation and the Urea Cycle

Which amino acids can be directly deaminated to produce NH4+?

Correct AnswerverifiedShow Answer

The urea cycle is:

Correct AnswerverifiedShow Answer

Biopterin is a complicated coenzyme required for the conversion of phenylalanine to tyrosine. Why is biopterin not considered a vitamin?

Correct AnswerverifiedBecause it is synthe...View AnswerShow Answer

What general feature is involved in the degration of aromatic amino acids?

Correct AnswerverifiedThe cleavage of arom...View AnswerShow Answer

Serine dehydratase catalyzes the conversion of serine into NH4+ and ___________________.

Correct AnswerverifiedShow Answer

Use the following to answer questions Choose the correct answer from the list below. Not all of the answers will be used. -The class of enzymes that cleaves most aromatic rings in biological systems is _____________.

Correct AnswerverifiedShow Answer

What is the basic strategy by which proteins are degraded?

Correct AnswerverifiedProteins are degraded to amino acids and...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Because it is synthe...
View Answer

Correct Answer
verified
The cleavage of arom...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Proteins are degraded to amino acids and...
View Answer