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A non-proteinaceous enzyme is...

A non-proteinaceous enzyme is

A

lysozyme

B

ribozyme

C

ligase

D

dexyribonuclease

Text Solution

Verified by Experts

The correct Answer is:
B
Ribozyme is a form of ribosomal RNA (23 SrRNA) which acts as a cotalyst in splicing of RNA during protein synthesis. It is the only non-protein enzyme known so far, rest all the enzymes are proteinaceous Hence, option (b) is correct.
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Name two non-proteinous enzymes .

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Knowledge Check

  • Non-proteinaceous enzyme that acts as a catalyst for the formation of peptide bond is Or ''All enzymes are proteins.'' This statement is now modified because an apparent exception to this biological truth is

    A
    Spliceosome
    B
    Ribozyme
    C
    RNA poly I
    D
    RNA poly III

  • Assertion : All proteinaceous enzymes have a three dimensional structure Reason : The secondary struture of protein is according to amino acids present inside the polypeptide

    A
    if both are true with reason being correct explanation
    B
    both are true but reason is not explanation
    C
    assertion true but reason is wrong
    D
    and both are wrong

  • Non-protein part of enzyme is known as

    A
    Apoenzyme
    B
    Cofactor
    C
    Inorganic catalyst
    D
    Active site

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    Which of the following structure of protein is/are present in a proteinaceous enzyme with a single polypeptide chain only?

    Non-protein part of enzyme is called

    Non-proteinaceous part of enzyme is

    The tightly bound non-proteinaceous organic compound in enzyme, is

    Read the lgiven statements and select the correct option . Statement 1 : Ribozymes are RNA molecules which catalyse the synthesis of certain specific RNAs and removal of introns from mRNA. Statement 2 : Ribozymes are proteinaceous enzymes.

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