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Question
Chemistry
Which one of the following biomolecules is insoluble in water?
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Q. Which one of the following biomolecules is insoluble in water?
AIIMS
AIIMS 2005
Biomolecules
A
$\alpha$-Keratin
86%
B
Haemoglobin
4%
C
Ribonuclease
2%
D
Adenine
8%
Solution:
$\alpha$-keratin is a water insoluble fiberous protein. It is the major constituent of nail, hair and skin. It cannot be digested in human body. Haemoglobin is a conjugate protein in blood. Adenine is a nitrogenous base of DNA and RNA.