Gene its Nature Expression and Regulation Short Questions and Answers | Gene its Nature Expression and Regulation Quiz

Questions

41 Transcription involves

A Synthesis of RNA over DNA

B Synthesis of DNA over RNA

C Protein synthesis over ribosomes

D Removal of worn out organelles by lysosomes

View Answer

Answer: Synthesis of RNA over DNA

42 Nonsense codons take part in

A Termination gene message for polypeptide synthesis

B Synthesis of non protein amino acids

C Initiating gene message for polypeptide synthesis

D Helping Protein synthesis

View Answer

Answer: Termination gene message for polypeptide synthesis

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43 In proofreading during DNA replication

A Wrong nucleotides are inserted

B Wrong nucleotides are taken out

C Wrong nucleotides are removed and correct once inserted

D Mutations are prevented

View Answer

Answer: Wrong nucleotides are removed and correct once inserted

44 Leading strand during DNA replication is formed

A Ahead of replication

B Continuously

C First

D In short segments

View Answer

Answer: Continuously

45 Okazaki fragments give rise to

A Master strand

B Sense strand

C Lagging strand

D Leading strand

View Answer

Answer: Lagging strand

46 Okazaki fragments are joined by

A DNA polymerase III

B DNA ligase

C DNA polymerase II

D DNA polymerase I

View Answer

Answer: DNA ligase

47 Okazaki segments are

A Small segments of RNA

B Small peptides

C Small DNA segments

D Small TN a segments formed over DNA template running in 3′-5′ direction

View Answer

Answer: Small TN a segments formed over DNA template running in 3′-5′ direction

48 DNA strand is synthesized in the direction

A 5′-3′

B 3′-5′

C 1′-4′

D 6′-1′

View Answer

Answer: 5′-3′

49 In DNA replication the primer is

A Small ribonucleotide polymer

B Enzyme taking part in joining nucleotides to their complementary template bases

C Small deoxyribonucleotide polymer

D Helixdestabilising protein

View Answer

Answer: Small ribonucleotide polymer

50 Topoisomerase is involved in

A Separation of DNA strands

B Producing Nick in DNA

C Producing RNA primers

D Joining of DNA segment

View Answer

Answer: Producing Nick in DNA

51 The area of an winding and separation of DNA strands during replication is called

A Replication fork

B Origin

C Initiation Point

D Primer

View Answer

Answer: Origin

52 Formation of RNA over the template of DNA is

A Transcription

B Trans version

C Replication

D Duplication

View Answer

Answer: Transcription

53 Number of codons in genetic triplet code is

A 64

B 32

C 16

D 4

View Answer

Answer: 64

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