Nucleic Acids - Mock Test 35

Question 341

Synthesis of RNA and a DNA template is known as?

A) Replication B) Translation C) Transcription D) Mutation

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Question 342

Satellite DNA contains?

A) Highly repetitive sequences B) Moderately repetitive sequences C) Non-repetitive sequences D) DNA-RNA hybrids

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Question 343

Some DNA is present in mitochondria of?

A) Prokaryotes B) Eukaryotes C) Both 1⃣ and 2⃣ D) None of these

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Question 344

Relative proportions of G and C versus A and T in DNA can be determined by its?

A) Melting temperature B) Buoyant density C) Both A and B D) None of these

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Question 345

Buoynat density of DNA is increased by its?

A) A and T content B) G and C content C) Sugar content D) None of these

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Question 346

Melting temperature of DNA is increased by its?

A) A and T content B) G and C content C) Sugar content D) Phosphate content

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Question 347

Melting temperature of DNA is the temperature at which?

A) Solid DNA becomes liquid B) Liquid DNA evaporates C) DNA changes from double helix into supercoiled DNA D) Native double helical DNA is denatured

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Question 348

In mammalian cell cycle, synthesis of DNA occurs during?

A) S phase B) G1 phase C) Mitotic Phase D) G2 phase

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Question 349

DNA topoisomerase I of E. coli catalyses?

A) Relaxation of negatively supercoiled DNA B) Relaxation of positively supercoiled DNA C) Conversion of negatively supercoiled DNA into positively supercoiled DNA D) Conversion of double helix into supercoiled DNA

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Question 350

DNA A protein can bind only to?

A) Positively supercoiled DNA B) Negatively supercoiled DNA C) Both A and B D) None of these

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