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The triplet codons UGA, UAG and UAA are ...

The triplet codons UGA, UAG and UAA are termed as termination codons because they

A

Do not allow ribosomes to bind with mRNA

B

Do not specify any amino acid

C

Prevent binding of tRNA anticodons with mRNA

D

Stop mRNA synthesis

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Initiation codon is :

The terminator codons are :

Knowledge Check

  • UAA, UAG and UGA are

    A
    non overlapping codons
    B
    non sense codons
    C
    degenerate codons
    D
    chain initiator codons

  • UGA,UAG and UAA are called termination codons because use they :

    A
    terminate anticodon
    B
    do not specify any amino acid
    C
    are present at the beginning of m-RNA
    D
    indicate initiation of polypeptide chain

  • UAA, UAG and UGA are known as non - sense codons because they

    A
    code for amino acids, which are not essential amino acids
    B
    code for the initiator amino acid (menthionine), which is later removed from the polypeptide chain
    C
    are never present on mRNA
    D
    do not code for any amino acid

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    Terminator codon amber is

    A triplet codon means :

    In mRNA , AUG is the initiating codons and UAA, UAG and UGA are terminatinng codona . Therefore, the polypeptide cannot be synthesised beyond any of these triplets to the end of mRNA, then which one of the following mRNA can be translated completely?

    Which one is not a termination codon ?

    A terminator codon called opal is :

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