BBL LESSON 12: AMINO ACID
METABOLISM QUESTIONS AND
VERIFIED ANSWERS|GRADE A+
Glucogenic amino acids are utilized as substrate for
A. Anaerobic respiration
B. Fatty acid synthesis
C. Gluconeogenesis
D. None of the above - ANSWER C. Gluconeogenesis
The synthesis of glutamine from glutamate requires
A. ATP and NH3+
B. NADH and ATP
C. ATP
D. Pyridoxal phosphate - ANSWER A. ATP and NH3+
In the transaminase reaction between glutamate/pyruvate, the amino acid produced is
A. Aspartate
B. Alanine
C. Alpha ketoglutarate
D. Serine - ANSWER B. Alanine
The metabolism of serine to pyruvate is an example of
A. Oxidative deamination
B. Transamination
, C. Anaerobic metabolism
D. Substitution reaction - ANSWER A. Oxidative deamination
True or False: Glucogenic amino acids are utilized in the gluconeogenic pathway of the liver. - ANSWER
True
Glutamate is aminated to glutamine by the enzyme
A. Glutamate dehydrogenase
B. Glutaminase
C. Glutamine synthetase
D. Glutamine oxidase - ANSWER C. Glutamine synthetase
N-acetyl-glutamate regulates the following pathway
A. TCA Cycle
B. ETS/ OX-Phos
C. Glycolysis
D. Urea Cycle - ANSWER D. Urea Cycle
How is glutamate dehydrogenase allosterically controlled?
A. Activated by ADP and GDP
B. Inhibited by ADP and GTP
C. Activated by ATP and GTP
D. Activated by UTP and CTP - ANSWER A. Activated by ADP and GDP
Which two amino acids are NOT substrate for aminotransferases?
METABOLISM QUESTIONS AND
VERIFIED ANSWERS|GRADE A+
Glucogenic amino acids are utilized as substrate for
A. Anaerobic respiration
B. Fatty acid synthesis
C. Gluconeogenesis
D. None of the above - ANSWER C. Gluconeogenesis
The synthesis of glutamine from glutamate requires
A. ATP and NH3+
B. NADH and ATP
C. ATP
D. Pyridoxal phosphate - ANSWER A. ATP and NH3+
In the transaminase reaction between glutamate/pyruvate, the amino acid produced is
A. Aspartate
B. Alanine
C. Alpha ketoglutarate
D. Serine - ANSWER B. Alanine
The metabolism of serine to pyruvate is an example of
A. Oxidative deamination
B. Transamination
, C. Anaerobic metabolism
D. Substitution reaction - ANSWER A. Oxidative deamination
True or False: Glucogenic amino acids are utilized in the gluconeogenic pathway of the liver. - ANSWER
True
Glutamate is aminated to glutamine by the enzyme
A. Glutamate dehydrogenase
B. Glutaminase
C. Glutamine synthetase
D. Glutamine oxidase - ANSWER C. Glutamine synthetase
N-acetyl-glutamate regulates the following pathway
A. TCA Cycle
B. ETS/ OX-Phos
C. Glycolysis
D. Urea Cycle - ANSWER D. Urea Cycle
How is glutamate dehydrogenase allosterically controlled?
A. Activated by ADP and GDP
B. Inhibited by ADP and GTP
C. Activated by ATP and GTP
D. Activated by UTP and CTP - ANSWER A. Activated by ADP and GDP
Which two amino acids are NOT substrate for aminotransferases?