Q.6 Peptidyl transferase activity resides in (A) 16S rRNA (B) 23S rRNA (C) 5S rRNA (D) 28S rRNA
Q.6 Peptidyl transferase activity resides in (A) 16S rRNA (B) 23S rRNA (C) 5S rRNA (D) 28S rRNA
1 Answer
Questions and Answers For
Biotechnology
124 Questions
1 Answer The degree of inhibition for an enzyme-catalyzed reaction at a particular inhibitor concentration is independent of the initial substrate concentration. The inhibition follows (A) competitive inhibition (B) mixed inhibition (C) un-competitive inhibition (D) non-competitive inhibition
The degree of inhibition for an enzyme-catalyzed reaction at a particular inhibitor concentration is independent of the initial substrate concentration. The inhibition follows (A) competitive inhibition (B) mixed inhibition (C) un-competitive inhibition (D) non-competitive inhibition
1 Answer Q.7 In transgenics, alterations in the sequence of nucleotide in genes are due to P. Substitution Q. Deletion R. Insertion S. Rearrangement (A) P and Q (B) P, Q and R (C) Q and R (D) R and S
Q.7 In transgenics, alterations in the sequence of nucleotide in genes are due to P. Substitution Q. Deletion R. Insertion S. Rearrangement (A) P and Q (B) P, Q and R (C) Q and R (D) R and S
1 Answer Oxidation-reduction reactions with positive standard redox potential (E⁰’) have (A) positive ΔG⁰ (B) negative ΔG⁰ (C) positive ΔE⁰’ (D) negative ΔE⁰’
Oxidation-reduction reactions with positive standard redox potential (E⁰’) have (A) positive ΔG⁰ (B) negative ΔG⁰ (C) positive ΔE⁰’ (D) negative ΔE⁰’
1 Answer Q.8 During transcription (A) DNA Gyrase introduces negative supercoils and DNA Topoisomerase I removes negative supercoils (B) DNA Topoisomerase I introduces negative supercoils and DNA Gyrase removes negative supercoils (C) both DNA Gyrase and DNA Topoisomerase I introduce negative supercoils (D) both DNA Gyrase and DNA Topoisomerase I remove negative supercoils
Q.8 During transcription (A) DNA Gyrase introduces negative supercoils and DNA Topoisomerase I removes negative supercoils (B) DNA Topoisomerase I introduces negative supercoils and DNA Gyrase removes negative supercoils (C) both DNA Gyrase and DNA Topoisomerase I introduce negative supercoils (D) both DNA Gyrase and DNA Topoisomerase I remove negative supercoils
1 Answer Nuclease-hypersensitive sites in the chromosomes are sites that appear to be (A) H2 and H4 histone free (B) H1 and H2 histone free (C) H3 and H4 histone free (D) Nucleosome free
Nuclease-hypersensitive sites in the chromosomes are sites that appear to be (A) H2 and H4 histone free (B) H1 and H2 histone free (C) H3 and H4 histone free (D) Nucleosome free
1 Answer Q.9 Under stress conditions bacteria accumulate (A) ppGpp (Guanosine tetraphosphate) (B) pppGpp (Guanosine pentaphosphate) (C) both ppGpp and pppGpp (D) either ppGpp or pppGpp
Q.9 Under stress conditions bacteria accumulate (A) ppGpp (Guanosine tetraphosphate) (B) pppGpp (Guanosine pentaphosphate) (C) both ppGpp and pppGpp (D) either ppGpp or pppGpp
1 Answer The formation of peptide cross-links between adjacent glycan chains in cell wall synthesis is called (A) Transglycosylation (B) Autoglycosylation (C) Autopeptidation (D) Transpeptidation
The formation of peptide cross-links between adjacent glycan chains in cell wall synthesis is called (A) Transglycosylation (B) Autoglycosylation (C) Autopeptidation (D) Transpeptidation
1 Answer An example for template-independent DNA polymerase is (A) DNA Polymerase I (B) RNA polymerase (C) Terminal deoxynucleotidyl transferase (D) DNA polymerase III
An example for template-independent DNA polymerase is (A) DNA Polymerase I (B) RNA polymerase (C) Terminal deoxynucleotidyl transferase (D) DNA polymerase III
1 Answer Determine the correctness or otherwise of the following Assertion (a) and the Reason (r): Assertion: Somatic embryogenesis in plants is a two-step process comprising of embryo initiation followed by embryo production. Reason: Embryo initiation is independent of the presence of 2,4-dichlorophenoxyacetic acid whereas embryo production requires a high concentration of 2,4-dichlorophenoxyacetic acid. (A) both (a) and (r) are true and (r) is the correct reason for (a) (B) both (a) and (r) are true and (r) is not the correct reason for (a) (C) (a) is true but (r) is false (D) (a) is false but (r) is true
Determine the correctness or otherwise of the following Assertion (a) and the Reason (r): Assertion: Somatic embryogenesis in plants is a two-step process comprising of embryo initiation followed by embryo production. Reason: Embryo initiation is independent of the presence of 2,4-dichlorophenoxyacetic acid whereas embryo production requires a high concentration of 2,4-dichlorophenoxyacetic acid. (A) both (a) … Read more
1 Answer
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