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WorksheetsMolecular Biology
Total questions: 10
Worksheet time: 4mins
Which of the following statements is not applicable to viruses?
The virus replicates in a bacterial host
The protein coat of a virus does not enter the host cell
The genetic material is DNA or RNA
Virus replicate autonomously in the absence of host
Mode of DNA replication is
Conservative and bidirectional
Semiconservative and unidirectional
Semiconservative and bidirectional
Conservative and unidirectional
Which enzyme is used in the unwinding of DNA?
Ligase
Topoisomerase
Helicase
Exonuclease
Which of the following processes does not occur in prokaryotes?
Transcription
Splicing
Translation
Replication
How many RNA polymerases are present in a bacterial system?
4
2
1
3
Presence of the heparin promotes transcription.
True
False
The β subunit of polymerase has a function of (a)
The RNA polymerase core enzyme converts into a holoenzyme on the addition of the _________ subunit.
α
β
β’
σ
Which part of the ribosome identifies the Shine – Dalgarno sequence?
Protein
16S rRNA
23S rRNA
5S rRNA
Who was the first to propose indirect interaction between mRNA template and amino acids to produce accurate ordering of amino acid in a polypeptide chain?
Paul C. Zamecnic
James Watson
Francis H. Crick
Mahlon B. Hoagland
