1. Tardigrade
  2. Question
  3. Biology
  4. How many of the following statements are correct (I) Polysaccharides are present in an acid insoluble pool. (II) Protein is a homopolymer. (III) In a polypeptide chain, the last amino acid called the N-terminal amino acid. (IV) The tertiary structure is absolutely necessary for the many biological activities of proteins.

Q. How many of the following statements are correct
(I) Polysaccharides are present in an acid insoluble pool.
(II) Protein is a homopolymer.
(III) In a polypeptide chain, the last amino acid called the N-terminal amino acid.
(IV) The tertiary structure is absolutely necessary for the many biological activities of proteins.

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Solution:

Proteins are heteropolymer, they can never be homopolymer as they are made up of 20 different types of amino acid. In a polypeptide first amino acid is N - terminal end and the last amino acid is the C - terminal end.