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Select the incorrect statement (s) : 1...

Select the incorrect statement (s) `:`
1. Six codons do not code for any amino acid.
2. Codon is read in m-RNA in a contiguous fashion.
3. Three codons function as stop codons.
4. The initiator codon AUG codes for methionine

A

1, 2 and 4 are incorrect

B

1, 2 and 3 are incorrect

C

2, 3 and 4 are incorrect

D

1 alone is incorrect

Text Solution

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The correct Answer is:
D
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Select the incorrect statement (a) Six codons do not code for any amino acid (b) Codon reading of mRNA is contiguous (c) Three codons function as stop codons (d) Initiator codon AUG codes for methionine

In genetic code , the codon is read in mRNA in a contiguous fashion because

The number of stop codons which do not code for any amino acid is

The number of stop codons which do not code for any amino acid is :

Two or more codons coding for one amino acid

Two or more codons coding for one amino acid :

The codon AUG has dual function. It is an initiation /codon and also codes for :

One codon codes for only one amino acid, hence the code is

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