Formation of peptide bond is

(1) active process

(2) passive process

(3) both active and passive process

(4) neither active nor passive process

Subtopic:  Translation | Translation Mechanism |
 81%
From NCERT
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Which of the following is incorrect for protein synthesis

(1) Ribosomes are the cellular for protein synthesis

(2) 23s rRNA act as catalyst for peptide bond formation in all organisms

(3) UTR are required for efficient translation process

(4) The ribosome proceeds to the elongation phase of protein synthesis

Subtopic:  Translation |
 63%
From NCERT
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In bacteria catalytic RNA is found in

(1) 60S subunit of ribosome

(2) 40S subunit of ribosome

(3) 30S subunit of ribosome

(4) 50S subunit of ribosome

Subtopic:  Translation |
 50%
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Untranslated regions (UTRs) are present

(1) before and after the stop codon

(2) after the start codon and before the stop codon

(3) before and after the start codon

(4) before the start codon and after the stop codon

Subtopic:  Translation |
 78%
From NCERT
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Polypeptides are

(1) dictated by DNA

(2)represented by mRNA

(3)Expresssion of t-RNA

(4)Both 1 and 2

Subtopic:  Translation | Translation Mechanism |
 70%
From NCERT
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Protein synthesis takes place in

(1) cytoplasm

(2) nucleoplasm

(3) Both 1 and 2

(4) none of these

Subtopic:  Translation |
 63%
From NCERT
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The reaction, Amino acid + ATP = Aminoacyl-AMP + P-P depicts

(1)Amino acid assimilation

(2)Amino acid transformation

(3)Amino acid activation

(4)Amino acid translocation

Subtopic:  Translation Mechanism |
 74%
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Percentage of base sequences which are dissimilar among humans is

(1) 99.9%

(2) 0.01%

(3) 0.10%

(4) 1.01%

Subtopic:  DNA Fingerprinting |
From NCERT
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How many base sequences would be different in the genome of two human beings-

(1)3million

(2)3 billion

(3)6.2 million

(4)30million

Subtopic:  DNA Fingerprinting |
 60%
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Differences in sequence of DNA make every individual unique in their

(1)total number of nucleotides

(2)phenotypic appearance

(3)both 1 and 2

(4)None of these

Subtopic:  DNA Fingerprinting |
 59%
From NCERT
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