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A β-pleated sheet organisation in a polypeptide chain is an example of

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Important Questions on Chemical Constituents of Living Cells

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Holoenzyme is the complete enzyme consisting of an apoenzyme and a co-factor. Select the option that correctly identifies the nature of an apoenzyme and a co-factor.
  Apoenzyme Co-factor
(i) Protein Non-protein
(ii) Non-protein Protein
(iii) Protein Protein
(iv) Non-protein Non-protein
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Study the given statements and select the correct answer.
(i) Cellulose is a homopolymer of glucose.
(ii) Inulin is a homopolymer of fructose.
(iii) Starch gives blue colour and glycogen gives a red colour with iodine solution.
(iv) Cellulose gives no colour with iodine solution.
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_____ is the most abundant protein in the animal world and _____ is the most abundant protein in the whole biosphere.
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Which of the following are not polymeric?
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Co-enzyme nicotinamide adenine dinucleotide (NAD) contains vitamin
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Which one of the following statements is wrong?