Biology MCQs

Page No. 88

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


aPrimary structure


bSecondary structure


cTertiary structure


dQuaternary structure


View Answer Primary structure

Total number of amino acids in a hemoglobin molecule are__________?


a554


b564


c574


d584


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


bGlycosidic bond


cPeptide bond


dHydrogen bond


View Answer Peptide bond

The windpipe or trachea lies?


aDorsal to oesophagus


bVentral to oesophagus


cLateral to oesophagus


dNone of these


View Answer None of these

An insulin molecule consists of _________ polypeptide chains?


a1


b2


c3


d4


View Answer 2

The major constituent of blood plasma is___________?


aProtein


bNaCl


cWater


dCholesterol


View Answer Water

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


a20


b25


c150


d170


View Answer 170

Hunger pangs usually begin ______ after the previous meal.


a2-4 hours


b6-8 hours


c10-12 hours


d12-24 hours


View Answer 12-24 hours

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


aC


bS


cN


dH


View Answer S

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


a1


b2


c3


d6


View Answer 3

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