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Molecular Basis of Inheritance

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CBSE Gujarat Board Haryana Board

## Previous Year Papers

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Class 10 Class 12

Which one of the following does not follow the central dogma of molecular biology?

• Pea

• Mucor

• Chlamydomonas

• HIV

D.

HIV

The central dogma a proteins synthesis is expressed as

Temin described the presence of an enzyme, ie, reverse transcriptase or RNA-dependent DNA polymerase, which controls the synthesis of DNA from a single strand of RNA. D-Baltimore also described the presence of this enzyme in RNA tumour viruses. The presence of this enzyme changed the central dogma of protein synthesis into central dogma reverse.

The central dogma a proteins synthesis is expressed as

Temin described the presence of an enzyme, ie, reverse transcriptase or RNA-dependent DNA polymerase, which controls the synthesis of DNA from a single strand of RNA. D-Baltimore also described the presence of this enzyme in RNA tumour viruses. The presence of this enzyme changed the central dogma of protein synthesis into central dogma reverse.

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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

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

Name the genetic material for majority of organisms.

DNA (Deoxyribose nucleic acid)
965 Views

How many nucleotides are present in a bacteriophage $\mathrm{\varphi }$ x 174.

5386
805 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