Q87 / 180 · AIIMS 2013 · Chemistry

Assertion : All enzymes are made up of proteins and all proteins have three dimensional structures. Reason : Secondary structures of protein are sequence of amino acids.

  • A
    If both assertion and reason are true and reason is the correct explanation of assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C
    If assertion is true but reason is false.
  • Correct answer
    D
    If both assertion and reason are false.

Solution

(d) : All enzymes are made up of proteins and all proteins do not have 3-dimensional structures as proteins are classified into primary, secondary, tertiary and quaternary structures and only tertiary has 3-dimensional structure. The sequence in which the amino acids are arranged in a protein is called primary structure of protein.

Hence, the correct answer is option: 'D'.

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