Nucleic Acids - Mock Test 13

Question 121

Sigma and Rho factors are required for?

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

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Question 122

Translation is the formation of?

A) DNA from DNA B) mRNA from DNA C) Protein through mRNA D) mRNA from pre mRNA

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Question 123

Transcription is the formation of?

A) DNA from a parent DNA B) mRNA from a parent mRNA C) pre mRNA from DNA D) protein through mRNA

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Question 124

Nobody is the name given to?

A) Ribosome B) Microsome C) Centrosome D) Nucleosome

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Question 125

Which of the following contains a deoxy sugar?

A) RNA B) DNA C) ATP D) UTP

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Question 126

Nucleic acids can be detected by means of their absorption maxima near 260 nm. Their absorption in this range is due to?

A) Proteins B) Purines and pyrimidines C) Ribose D) Deoxyribose

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Question 127

Whcih of the following compound is present in RNA but absent from DNA?

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

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Question 128

Which of the following statements is correct?

A) a nucleo protein usually contain deoxy sugars of the hexose type B) Nucleoproteins are usually absent from the cytoplasm C) Nucleoproteins usually are present in the nucleus only D) Nucleoproteins usually occur in the nucleus and cytoplasml

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Question 129

This compound has a double helical structure?

A) Deoxyribonucleic acid B) RNA C) Flavine-adevine dinucleotide D) Nicotinamide adamine dinucleotide

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Question 130

From DNA the genetic message is transcribed into this compound?

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

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