Biochemistry Questions and Answers
How well do you understand chemical processes occurring in living matter? Test your knowledge of biochemistry with these questions and answers.
How well do you understand chemical processes occurring in living matter? Test your knowledge of biochemistry with these questions and answers.
A person with phenylketonuria will convert
phenylalanine to phenylpyruvate
phenylalanine to isoleucine
phenylpyruvate to phenylalanine
tyrosine to phenylalanine
Correct answer is A
No explanation has been provided for this answer.
Transaminase enzymes are present in
liver
pancreas
intestine
none of these
Correct answer is A
No explanation has been provided for this answer.
Tyrosine is degraded to acetoacetyl CoA and fumarate and is described as a
glucogenic amino acid
ketogenic amino acid
ketogenic and glucogenic amino acid
keto-gluco amino acid
Correct answer is C
No explanation has been provided for this answer.
A person with phenylketonuria is advised not to consume which of the following products?
Glycine containing foods
Fat containing food
Glucose
Aspartame
Correct answer is D
No explanation has been provided for this answer.
Transamination is the process where
carboxyl group is transferred from amino acid
α-amino group is removed from the amino acid
polymerisation of amino acid takes place
none of the above
Correct answer is B
No explanation has been provided for this answer.
An example of a transamination process is
glutamate = hexanoic acid + NH3
aspartate + hexanoic acid = glutamate + oxaloacetate
aspartate + α ketoglutarate = glutamate + oxaloacetate
glutamate = α-ketoglutarate + NH3
Correct answer is C
No explanation has been provided for this answer.
Oxidative deamination is the conversion of an amino
group from an amino acid to a keto acid
acid to a carboxylic acid plus ammonia
acid to a keto acid plus ammonia
group from an amino acid to a carboxylic acid
Correct answer is C
No explanation has been provided for this answer.
A person with phenylketonuria cannot convert
phenylalanine to tyrosine
phenylalanine to isoleucine
phenol into ketones
phenylalanine to lysine
Correct answer is A
No explanation has been provided for this answer.
Which of the following is the best described glucogenic amino acid?
Lysine
Tryptophan
Valine
None of these
Correct answer is C
No explanation has been provided for this answer.
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