Biochemistry - Amino Acid Metabolism

Exercise :: Amino Acid Metabolism - Section 1

  • Amino Acid Metabolism - Section 1
6. 

Oxidative deamination is the conversion of an amino

A. group from an amino acid to a keto acid
B. acid to a carboxylic acid plus ammonia
C. acid to a keto acid plus ammonia
D. group from an amino acid to a carboxylic acid

Answer: Option C

Explanation:

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7. 

An example of a transamination process is

A. glutamate = hexanoic acid + NH3
B. aspartate + hexanoic acid = glutamate + oxaloacetate
C. aspartate + α ketoglutarate = glutamate + oxaloacetate
D. glutamate = α-ketoglutarate + NH3

Answer: Option C

Explanation:

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8. 

Transamination is the process where

A. carboxyl group is transferred from amino acid
B. α-amino group is removed from the amino acid
C. polymerisation of amino acid takes place
D. none of the above

Answer: Option B

Explanation:

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9. 

The most toxic compounds is

A. tyrosine
B. phenylpyruvate
C. lysine
D. phenylalanine

Answer: Option B

Explanation:

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10. 

A person with phenylketonuria is advised not to consume which of the following products?

A. Glycine containing foods
B. Fat containing food
C. Glucose
D. Aspartame

Answer: Option D

Explanation:

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