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Molecular Basis of Inheritance

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

The one aspect which is not a salient feature of genetic code is its being

  • degenerate

  • ambiguous

  • universal

  • specific


D.

specific

The genetic code is degenerate, i.e, a given amino acid can be specified by more than one codons.
The genetic code inside the cell medium is said to be non-ambiguous because a particular condon always codes are same amino acid. But in certain rare cases the genetic code is found to be ambiguous, i.e some condon code for different amino acids under different conditions. The genetic code is almost universal.

The genetic code is degenerate, i.e, a given amino acid can be specified by more than one codons.
The genetic code inside the cell medium is said to be non-ambiguous because a particular condon always codes are same amino acid. But in certain rare cases the genetic code is found to be ambiguous, i.e some condon code for different amino acids under different conditions. The genetic code is almost universal.

388 Views

List the number of base pairs in :

(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.


(i) 48502 bp
(ii) 4.6 x 106 bp and
(iii) 3.3 x 109 bp.
757 Views

List the function of RNA.

Functions of RNA
RNA acts as genetic material in viruses
It also functions as an adapter and messenger 
It also acts as a catalytic molecule and catalyses various biochemical reactions.
721 Views

Comment two chains of DNA have antiparallel polarity.

The Two chain of DNA are antiparallel that is
if one chain has 5’ x 3’ polarity the other chain has 3’ x 5’ polarity.
658 Views

How many nucleotides are present in a bacteriophage ϕ x 174.

5386
805 Views

Name the genetic material for majority of organisms.

DNA (Deoxyribose nucleic acid)
965 Views