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20 Aug 2024

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

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20 Aug 2024

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

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20 Aug 2024

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

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20 Aug 2024

Q.5 Program used for essentially local similarity search is (A) BLAST (B) RasMol (C) ExPASY (D) SWISS-PROT

Q.5 Program used for essentially local similarity search is
(A) BLAST
(B) RasMol
(C) ExPASY
(D) SWISS-PROT

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20 Aug 2024

Q.4 Antibiotic resistance marker that CANNOT be used in a cloning vector in Gram negative bacteria is (A) Streptomycin (B) Ampicillin (C) Vancomycin (D) Kanamycin

Q.4 Antibiotic resistance marker that CANNOT be used in a cloning vector in Gram negative bacteria is
(A) Streptomycin
(B) Ampicillin
(C) Vancomycin
(D) Kanamycin

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20 Aug 2024

Q.3 The bacteria known to be naturally competent for transformation of DNA is (A) Escherichia coli (B) Bacillus subtilis (C) Mycobacterium tuberculosis (D) Yersinia pestis

Q.3 The bacteria known to be naturally competent for transformation of DNA is
(A) Escherichia coli
(B) Bacillus subtilis
(C) Mycobacterium tuberculosis
(D) Yersinia pestis

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20 Aug 2024

Q.2 Ames test is used to determine (A) the mutagenicity of a chemical (B) carcinogenicity of a chemical (C) both mutagenicity and carcinogenicity of a chemical (D) toxicity of a chemical

Q.2 Ames test is used to determine
(A) the mutagenicity of a chemical
(B) carcinogenicity of a chemical
(C) both mutagenicity and carcinogenicity of a chemical
(D) toxicity of a chemical

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20 Aug 2024

Q.1 Hybridoma technology is used to produce (A) monoclonal antibodies (B) polyclonal antibodies (C) both monoclonal and polyclonal antibodies (D) B cells

Q.1 Hybridoma technology is used to produce
(A) monoclonal antibodies
(B) polyclonal antibodies
(C) both monoclonal and polyclonal antibodies
(D) B cells

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20 Aug 2024

What is autoclave validation?

What is autoclave validation?

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20 Aug 2024

How to do autoclave validation?

How to do autoclave validation?

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