Amino Acid Metabolism

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: D

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The most toxic compounds is

A:

tyrosine

B:

phenylpyruvate

C:

lysine

D:

phenylalanine

Answer: B

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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: B

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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: C

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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: C

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Questions for: Amino Acid Metabolism