LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The relaxation of base pairing rules for the third nucleotide. Ex; UCU, UCC, UCA, and UCG. All code for the same amino acid, serine.
A
mutation
B
codons
C
wobble
D
RNA
Explanation: 

Detailed explanation-1: -Answer and Explanation: Three tRNAs are required to decode all the serine codons. AGU, AGC, UCU, UCC, UCA, and UCG are the six serine codons.

Detailed explanation-2: -A loop at one end of the folded structure base-pairs with three nucleotides on the mRNA that are collectively called a codon; the complementary three nucleotides on the tRNA are called the anticodon.

Detailed explanation-3: -The wobble position of a codon refers to the 3rd nucleotide in a codon. This nucleotide has two major characteristics: Binding of a codon in an mRNA the cognate tRNA is much “looser” in the third position of the codon. This permits several types of non-Watson–Crick base pairing to occur at the third codon position.

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