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Highest level of structural organisation present in Keratin of hair is

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Important Questions on Chemical Constituents of Living Cells

EASY
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IMPORTANT
The backbone of a nucleic acid strand is made up of
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Which of the following is not present in DNA?
HARD
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What should be added to a nucleoside to yield a nucleotide?
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Which of the following RNA is a carrier that delivers the correct amino acid for protein synthesis?
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The two strands of DNA are held together by bonds of