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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

A sequential expression of a set of human genes occurs when a steroid molecule binds to the

  • transfer RNA

  • messenger RNA

  • DNA sequence

  • ribosome


C.

DNA sequence

The steroid hormone receptor protein complex activate transcription of target gene by binding to specific DNA sequence.

The steroid hormone receptor protein complex activate transcription of target gene by binding to specific DNA sequence.


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

5386

Name the genetic material for majority of organisms.

DNA (Deoxyribose nucleic acid)

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.

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.

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.