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Question

In the composition of cellular mass, arrange the components - proteins(P), carbohydrates(C), lipids(L) and nucleic acids(N) in decreasing order of mass percentage.

A
C>N>P>L
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B
P>N>C>L
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C
P>C>L>N
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D
P>N>L>C
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Solution

The correct option is B P>N>C>L
In cellular mass, the average composition are as follows:
Water = 70-90%
Proteins(P) = 10-15%
Nucleic acids(N) = 5-7%
Carbohydrates(C) = 3%
Lipids(L) = 2%
Ions = 1%
Hence, the decreasing order is P>N>C>L.

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