Question 1

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

Accepted Answer

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

Question 2

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

Question 3

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 dehydrogenase
F)oxaloacetate
G)biopterin
H)glutamate
I)hippurate
J)urea
K)dehydratase
L)dioxygenases
M)ammonia disorder 
A) hyperammonemia 
B) aminotransferases 
C) methionine 
D) S-adenosylmethionine 
E) glutamate dehydrogenase
F)oxaloacetate
G)biopterin
H)glutamate
I)hippurate
J)urea
K)dehydratase
L)dioxygenases
M)ammonia disorder

Question 4

What is the basic strategy by which proteins are degraded?

Accepted Answer

Proteins are degraded to amino acids and

Question 5

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

Question 6

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

Accepted Answer

The cleavage of arom

Question 7

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. 
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.

Exam 30: Amino Acid Degradation and the Urea Cycle

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

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

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 _____________.

What is the basic strategy by which proteins are degraded?

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

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

The urea cycle is:

Biochemistry and the Unity of Life

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Light Reactions

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Degredation

Fatty Acid Synthesis

Lipid Synthesis

Amino Acids Synthesis

Nucleotide Metabolism

The Structure of Informational Macromolecules: Dna and Rna

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant Dna Techniques

Filters