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

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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

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

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

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

Answer: Continuously
45 Okazaki fragments give rise to
A Master strand
B Sense strand
C Lagging strand
D Leading strand

Answer: Lagging strand
46 Okazaki fragments are joined by
A DNA polymerase III
B DNA ligase
C DNA polymerase II
D DNA polymerase I

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

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′

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

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

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

Answer: Origin
52 Formation of RNA over the template of DNA is
A Transcription
B Trans version
C Replication
D Duplication

Answer: Transcription
53 Number of codons in genetic triplet code is
A 64
B 32
C 16
D 4

Answer: 64

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