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Biology Class 11 Chapter 2 - Biological Molecules - Part 15
1.
The opposing nitrogen bases of the two helices of a DNA molecule are held together by week hydrogen bond.
a) False
b) True
2.
The fatty acids are in the form of ringed chains in all the cell.
a) True
b) False
3.
Hemoglobin is composed of two alpha and two beta chains.
a) True
b) False
4.
The hairs and nails are formed of carbohydrates and inorganic compounds.
a) True
b) False
5.
Palmatic acid and butyric acid are equally soluble in organic solvent.
a) False
b) True
6.
Cellulose is the most abundant carbohychate in nature.
a) False
b) True
7.
Protein is the most abundant component in living cells.
a) False
b) True
8.
Amount of DNA is always equall in somatic and germ cell.
a) False
b) True
9.
Each of the 20 naturally occurring amino acids has a different R group.
a) False
b) True
10.
Enzymes are complex proteins that function as organic catalysts.
a) False
b) True
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