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Reyana09

@reyana09

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Joined: Nov 16, 2021
Last seen: Dec 29, 2021

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Answer to: If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it?

Correct answer: (c) 30%

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: In DNA strand, the nucleotides are linked together by

Correct answer: (b) phosphodiester bonds

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: In E. colt, the lac operon gets switched on when (a) lactose is present and it binds to the repressor (b) repressor binds to operator

Correct answer: (a) lactose is present and it binds to the repressor

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: To initiate translation, the miRNA first bind to

Correct answer: (a) the smaller ribosomal sub-unit

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: The amino acid attaches to the tRNA at its

Correct answer: (b) 3’ – end

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: If the base sequence of a codon in mRNA is 5’ – AUG – 3′ the sequence of tRNA pairing with it must be

Correct answer: (b) 5’ – CAU – 3’

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: The RNA polymerase holoenzyme transcribes (a) the promoter, structural gene and the terminator region. (b) the promoter and the terminator region

Correct answer: (b) the promoter and the terminator region

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: If the sequence of nitrogen bases of the coding strand of DNA in a transcription unit is 5’ – ATGAATG – 3’, the sequence of bases in its RNA transcript would be

Correct answer: (d) 5’ – GUAAGUA – 3’

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: In some viruses, DNA is synthesised by using RNA as template. Such a DNA is called

Correct answer: (c) cDNA

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: Which was the last human chromosome to be completely sequenced?

Correct answer: (a) Chromosome 1

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: Control of gene expression takes place at the level of

Correct answer: (b) transcription

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: Which of the following steps in transcription is catalysed by RNA polymerase?

Correct answer: (d) All of the above

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: Who amongst the following scientist had no contribution in the development of the double helix model for the structure of DNA?

Correct answer: (b) Maurice Wilkins

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: The human chromosome with the highest and least number of genes in them are respectively

Correct answer: (c) chromosome 1 and Y

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: The first genetic material could be (a) protein (b) carbohydrates (c) DNA (d) RNA

Correct answer: (d) RNA

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: Which of the following statements is the most appropriate for sickle cell anaemia?

Correct answer: (d) All of the above

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: The net electric charge on DNA and histones is

Correct answer: (c) negative and positive, respectively

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: In a DNA strand the nucleotides are linked together by

Correct answer: (b) phosphodiester bonds

4 years ago

Forum

Molecular Basis of Inheritance

Answer to: The cranial capacity was largest among the

Correct answer: (d) Neanderthal man

4 years ago

Forum

Evolution

Answer to: Which of the following statements is correct regarding evolution of mankind?

Forum

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