Protein metabolism (Dr Wael Ibrahim)
Protein Metabolism Quiz
Test your knowledge on protein metabolism with our engaging quiz created for students and professionals alike! This quiz features 20 carefully crafted questions covering essential aspects of protein metabolism, amino acid fun
Challenge yourself and enhance your understanding of this vital subject!
- 20 multiple-choice questions
- Learn about amino acids and their roles
- Understand metabolic pathways and their significance
The RDA of protein for 80 kg man
56
64
80
100
Which of the following is exopeptidase?
Pepsin
Trypsin
Chymotrypsin
Carboxypeptidase
Aminopeptidase is an exopeptidase secreted as active form.
True
False
Which of the following hormones play a significant role in neutralization of gastric juice in small intestine?
Gastrin
Cholecystokinin
Secretin
All the above
Which of the following coenzymes is needed for transaminases?
NAD
FAD
PLP
NADP
The corresponding α-keto acid of alanine is
α-Ketoglutarate
L-Glutamate
Pyruvate
Oxaloacetate
Which of the following amino acids can't be transaminated?
Tryptophan
Phenylalanine
Proline
Arginine
Glutamate dehydrogenase is inhibited by
AMP
ADP
ATP
GDP
Which of the following enzymes leads to the production of hydrogen peroxide?
Glutamate dehydrogenase
Amino acid oxidase
Amino acid dehydratase
Transaminases
Transamination is a major source of ammonia
True
False
Which of the following is a major pathway for utilization of ammonia?
Biosynthesis of purine
Excreted in urine
Biosynthesis of non- essential amino acids
Urea cycle
Excessive production of ammonia within the body leads to depletion of
α-ketoglutarate
Glutamine
Pyruvate
Oxaloacetate
The main excretory nitrogen compound is
Creatinine
Uric acid
Ammonia
Urea
Phenylketonuria is caused by deficiency of
Phenylalanine hydroxylase
Phenylalanine oxidase
Phenylalanine reductase
Phenylalanine hydratase
Which of the following amino acids is the precursor of dopamin?
Tryptophan
Serine
Alanine
Tyrosine
Which of the following amino acids acts against Pellagra?
Tryptophan
Serine
Alanine
Tyrosine
Which of the following amino acids are needed for formation of glutathione?
Glycine + cysteine + serine
Glycine + cysteine + alanine
Glycine + cysteine + lysine
Glycine + cysteine + glutamic acid
Creatinine is a degradation product of dehydration of creatine
True
False
Which of the following amino acids are needed for formation of collagen?
Serine and Lysine
Serine and Glycine
Glycine and Lysine
Serine and alanine
Which of the following is anti-oxidant?
Dopamin
Melanin
Melatonin
Creatinine
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