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Reyana09
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Answer to: During transcription, the site of DNA molecule at which RNA polymerase binds is called

Correct answer: (a) promoter

4 years ago
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Molecular Basis of Inheritance
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Answer to: Transcription unit (a) starts with TATA box (b) starts with pallendrous regions and ends with rho factor.

Correct answer: (c) starts with promoter region and ends in terminator region

4 years ago
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Molecular Basis of Inheritance
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Answer to: If the sequence of bases in DNA is GCTTAGGCAA then the sequence of bases in its transcript will be

Correct answer: (c) CGAAUCCGUU

4 years ago
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Molecular Basis of Inheritance
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Answer to: If the sequence of bases in coding strand of DNA is ATTCGATG, then the sequence of bases in mRNA will be

Correct answer: (d) AUUCGAUG

4 years ago
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Molecular Basis of Inheritance
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Answer to: The enzyme DNA dependent RNA polymerase catalyses the polymerisation reaction in _______ direction.

Correct answer: (a) only 5’ → 3’

4 years ago
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Molecular Basis of Inheritance
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Answer to: The process of copying genetic information from one strand of DNA to RNA is termed as _________.

Correct answer: (b) transcription

4 years ago
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Molecular Basis of Inheritance
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Answer to: DNA replication takes place at _________ phase of the cell cycle.

Correct answer: (b) S

4 years ago
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Molecular Basis of Inheritance
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Answer to: Other than DNA polymerase, which are the enzymes involved in DNA synthesis?

Correct answer: (d) All of these

4 years ago
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Molecular Basis of Inheritance
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Answer to: Select the correct match of enzyme with its related function.

Correct answer: (d) All of these

4 years ago
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Molecular Basis of Inheritance
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Answer to: First experimental proof for semi-conservative DNA replication was shown in

Correct answer: (b) Escherichia coli

4 years ago
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Molecular Basis of Inheritance
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Answer to: Which of the following phenomena was experimentally proved by Meselson and Stahl?

Correct answer: (c) Semi-conservative DNA replication

4 years ago
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Molecular Basis of Inheritance
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Answer to: Chemically, RNA is (i) reactive and (ii) stable as compared to DNA.

Correct answer: (c) (i) more, (ii) less

4 years ago
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Molecular Basis of Inheritance
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Answer to: Which of the following life processes is evolved around RNA?

Correct answer: (b) Translation

4 years ago
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Molecular Basis of Inheritance
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Answer to: Which one among the following was the first genetic material?

Correct answer: (b) RNA

4 years ago
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Molecular Basis of Inheritance
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Answer to: RNA is the genetic material in (a) prokaryotes (b) eukaryotes (c) Tabacco Mosaic Virus (TMV) (d) E.coli.

Correct answer: (c) Tabacco Mosaic Virus(TMV)

4 years ago
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Molecular Basis of Inheritance
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Answer to: To prove that DNA is the genetic material, which radioactive isotopes were used by Hershey and Chase (1952) in experiments?

Correct answer: (d) 14N and 15N

4 years ago
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Molecular Basis of Inheritance
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Answer to: Which statement is wrong? (a) Ordinary hydrogen is an equilibrium mixture of ortho and para hydrogen (b) In ortho hydrogen spin of two nuclei is in same direction

Correct answer: (c) Ortho and para forms do not resemble in their chemical properties Explanation: Ortho and para forms of hydrogen resemble in th...

4 years ago
Forum
Hydrogen
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Answer to: When a sample of hard water is passed through the layer of sodium zeolite resulting which of the following ions will not be present in the resulting sample of water obtained?

Correct answer: (a) Mg2+ and Ca2+ Explanation: As Na+ ions in sodium zeolite are replaced by Ca2+ and Mg2+ ions present in hard water, these two i...

4 years ago
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Hydrogen
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Answer to: Which of the following statements are correct? (i) Hydrogen peroxide is industrially prepared by the auto-oxidation of 2-alkyl anthraquinones

Correct answer: (d) (i) and (ii) Explanation: Dihedral angle of H2O2 in gas phase is 111.5° and in solid phase it is 90.2°

4 years ago
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Hydrogen
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Answer to: In which of the following reactions, H2O2 is acting as a reducing agent

Correct answer: (d) Ag2O + H2O2 → 2Ag + H2O + O2 Explanation: SO2 changes to H2SO4 (O.N. changes from +4 to +6 oxidation) 2KI → I2 (O.S. changes...

4 years ago
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Hydrogen
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