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Radioactive sulphur containing bacteriophage is allowed to attach to E. coll that contains radioactive phosphorus. The viruses produced in this bacteria by this infection will have

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Important Questions on Molecular Basis of Inheritance

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Discontinuously synthesized fragments of DNA are joined by

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If E. coli completes the process of DNA replication within 38 minutes, then the rate of polymerisation of DNA would be approximately

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In a transcription unit, the promoter is located towards
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A hypothetical sequence of a transcription unit is represented below
3'CGGAATCCAA-5' Template strand

5'GCCTATAGGTTA-3' Coding strand

If we switch the position of the promoter with a terminator in the above-given transcription unit and transcription occurs, then the sequence of RNA transcribed will be

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Select the incorrect statement from the following:
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In eukaryotes, rRNAs are transcribed by
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Match the following columns and select the correct option

column I

(Genes of lac operon)

column II

(Function)

a. Operator gene (i) Interacts with repressor protein
b. Promoter gene (ii) Transcribes mRNA for polypeptide synthesis
c. Structural gene (iii) Provides attachment site for RNA polymerase
d. Regulator gene (iv) Controls the activity of operator gene

 

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Select the incorrect match(es) from the following

a. Minisatellites

0.1 to 20 bp

b. SNPs

Due to many bases DNA differences

c. Frederick Sanger

Developed method to determine amino acid sequence in proteins

d. VNTR Unusual sequences of 20- 100 base pairs