Biology MCQs

Page No. 88

Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?


aPrimary structure

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bSecondary structure

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cTertiary structure

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dQuaternary structure

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View Answer Primary structure

Total number of amino acids in a hemoglobin molecule are__________?


a554

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b564

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c574

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d584

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View Answer 574

A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?


aPhosphodiester linkage

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bGlycosidic bond

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cPeptide bond

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dHydrogen bond

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View Answer Peptide bond

The windpipe or trachea lies?


aDorsal to oesophagus

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bVentral to oesophagus

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cLateral to oesophagus

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dNone of these

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View Answer None of these

An insulin molecule consists of _________ polypeptide chains?


a1

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b2

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c3

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d4

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View Answer 2

The major constituent of blood plasma is___________?


aProtein

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bNaCl

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cWater

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dCholesterol

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View Answer Water

Total number of amino acids discovered so far in cells and tissues are______________?


a20

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b25

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c150

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d170

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View Answer 170

Hunger pangs usually begin ______ after the previous meal.


a2-4 hours

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b6-8 hours

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c10-12 hours

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d12-24 hours

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View Answer 12-24 hours

The element in basic structure of proteins which differentiate them from carbohydrates________?


aC

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bS

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cN

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dH

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View Answer S

How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?


a1

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b2

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c3

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d6

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View Answer 3

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