Which of the following is incorrect for protein synthesis
(A) Ribosomes are the cellular for protein synthesis
(B)23s rRNA act as catalyst for peptide bond formation in all organisms
(C)UTR are required for efficient translation process
(D)The ribosome proceeds to the elongation phase of protein synthesis

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In bacteria catalytic RNA is found in
(A)60S subunit of ribosome
(B) 40S subunit of ribosome
(C) 30S subunit of ribosome
(D) 50S subunit of ribosome

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Untranslated regions (UTRs) are present
(A) before the start codon and before stop codon
(B)after the start codon and before the stop codon
(C)before and after the start codon
(D)before start codon and after stop codon

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Polypeptides are
(A) dictated by DNA
(B)represented by mRNA
(C)Expresssion of t-RNA
(D)Both A and B

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Proteins are
(A) homopolymer
(B)heteropolymer
(C)homogenous mixture of amino acids
(D)heterogenous mixture of amino acids

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Protein synthesis takes place in
(A)cytoplasm
(B)nucleoplasm
(C)Both A and B
(D)none of these

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The reaction, Amino acid + ATP = Aminoacyl-AMP + P-P depicts
(A)Amino acid assimilation
(B)Amino acid transformation
(C)Amino acid activation
(D)Amino acid translocation

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Percentage of base sequences which are dissimilar among humans is
(A)99.9%
(B) 0.01%
(C) 0.10%
(D) 1.01%

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How many base sequences would be different in the genome of two human beings-
(A)3million
(B)3 billion
(C)6.2 million
(D)30million

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Differences in sequence of DNA make every individual unique in their
(A)total number of nucleotides
(B)phenotypic appearance
(C)both A and B
(D)None of these

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