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Protein metabolism (Dr Wael Ibrahim)

A detailed and colorful infographic illustrating protein metabolism pathways, including amino acids, enzymes, and their fun<wbr>ctions, set against a biological background.

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 functions, and metabolic pathways.

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

20 Questions5 MinutesCreated by OptimizingNutrient72

The RDA of protein for 80 kg man

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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