Nucleic Acids - Mock Test 37

Question 361

The unwound strands of DNA are held apart by?

A) Single strand binding protein B) Double strand binding protein C) Rep protein D) DNAA protein

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Question 362

Helicase and DNAB protein cause?

A) Rewinding of DNA and require ATP as a source of energy B) Rewinding of DNA but do not require any source of energy C) Unwinding of DNA and require ATP as a source of energy D) Unwinding of DNA but do not require any source of energy

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Question 363

For unwinding of double helical DNA?

A) Energy is provided by ATP B) Energy is provided by GTP C) Energy can be provided by either ATP or GTP D) No energy is required

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Question 364

During replication, unwinding of double helix is initiated by?

A) DNAA protein B) DnaB protein C) DNAC protein D) Rep protein

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Question 365

During replication, the template DNA is unwound?

A) At one of the ends B) At both the ends C) At multiple sites D) Nowhere

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Question 366

In RNA, the complementary base of adenine is?

A) Cytosine B) Guanine C) Thymine D) Uracil

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Question 367

RNA primer is formed by the enzyme?

A) Ribonuclease B) Primase C) DNA polymerase I D) DNA polymerase III

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Question 368

An Okazaki fragment contains about?

A) 10 Nucleotides B) 100 Nucleotides C) 1,000 Nucleotides D) 10,000 Nucleotides

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Question 369

After formation of replication fork?

A) Both the new strands are synthesized discontinuously B) One strand is synthesized continuously and the other discontinuously C) Both the new strands are synthesized continuously D) RNA primer is required only for the synthesis of one new strand

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Question 370

Okazaki pieces are formed during the synthesis of?

A) mRNA B) tRNA C) rRNA D) DNA

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