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Earn 100

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
(a)Radioactive protein capsule and non-radioactive genetic material
(b)Radioactive protein capsule and radioactive genetic material
(c)Non-radioactive protein capsule and radioactive genetic material
(d)Non-radioactive protein capsule and nonradioactive genetic material

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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 minutes, then the rate of polymerisation of DNA would be approximately

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A hypothetical sequence of a transcription unit is represented below
Template strand
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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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 |
to |
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 |
