Biochemistry MCQs

Page No. 12

The number of essential amino acid are______________?


a 6

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b8

✓


c12

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d16

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View Answer 8

The nitrogen content in 50 gm of a typical dietary protein is most likely to be_____________?


a5 gm

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b 8 gm

✓


c10 gm

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d16 gm

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View Answer 8 gm

The class of amino acids that contains only non essential amino acids is_______________?


aAcidic

✓


bBasic

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cAromatic

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dBranched chain

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View Answer Acidic

All are true about glutathione except ?


aIt is a tripetide

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bIt converts hemoglobin to methemoglobin

✓


cIt conjugates xenobiotics

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dIt scavenges free radicals and superoxide ions

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Glutamine replaced by valine in sckle cell anaemia is characterized________________?


aNon Sense mutation of beta chain

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bMissense mutation of beta chain

✓


cDegradation of beta chain

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dDeletion of beta chain

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Mannose 6 phosphate containing freshly synthesized proteins are directed to_____________?


a Nucleus

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bLysosomes

✓


cMitochondria

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dGolgi apparatus

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View Answer Lysosomes

All are genetic amino acid deficiency disease except___________?


aPhenyl ketonuria

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bAlkaptonuria

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cHomocystinuria

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d6alactosemia

✓


View Answer 6alactosemia

Which of the following is a derived a derived protein_____________?


aProtamines

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bPeptones

✓


cProlamines

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dLactalbumin

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View Answer Peptones

Quaternary structure of protein is_____________?


aThe arrangement sequence of amino acids in the polypeptide chain

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bInter relation between amino acids in a single polypeptide chain

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cInter relation of amino acids in 2 polypeptide chains

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dThe inter relation and arrangement of polypeptides in a protein with more than 2 polypeptide chains

✓



Glycine is present in____________?


aHemoglobin

✓


bGlutathione

✓


cPurines

✓


dCreatine

✓


View Answer All of the above

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