Isolation of Bt gene from bacterium Baciullus thuringiensis was undertaken in year
Options
(a) 1977 (b) 1980 (c) 1997 (d) 1990
Correct Answer:
1980
Explanation:
No explanation available. Be the first to write […]
Melting of DNA at 70° C is due to breakdown of
Options
(a) Phosphodiester bonds (b) Hydrogen bonds (c) Glycosidic bonds (d) Disulphide bonds
Correct Answer:
Hydrogen bonds
Explanation:
No explanation available. Be […]
Natural genetic engineer is
Options
(a) Pseudomonas putida (b) Agrobacterium tumefaciens (c) Escherichia coli (d) Bacillus sublilis
Correct Answer:
Agrobacterium tumefaciens
Explanation:
A. tumefaciens has the exceptional ability to transfer a particular DNA […]
Nucleic acid is fragmented by enzyme
Options
(a) Ligases (b) Proteases (c) Nucleases (d) Polymerases
Correct Answer:
Nucleases
Explanation:
A nuclease (also archaically known as nucleodepolymerase or polynucleotidase) is an enzyme capable of […]
PCR technique was invented by
Options
(a) Boyer (b) Karry Mullis (c) Cohn (d) Sanger
Correct Answer:
Karry Mullis
Explanation:
The Polymerase Chain Reaction (PCR) technique, invented in 1985 by Kary B. Mullis, […]
Plasmids are vectors for gene cloning because they
Options
(a) Self replicate in bacterial cells (b) Replicate freely outside bacterial cells (c) Can be multiplied in culture (d) Can be multiplied in laboratories […]
Recombinant DNA or rDNA technology was discovered by
Options
(a) Khorana (b) Bateson and de Vries (c) Sutton and Avery (d) Cohen and Boyer
Correct Answer:
Cohen and Boyer
Explanation:
Recombinant-DNA (rDNA) technology—the […]
Removal and insertion of genes is
Options
(a) Genetic engineering (b) Biotechnology (c) Gene therapy (d) Cytogenetics
Correct Answer:
Genetic engineering
Explanation:
No explanation available. Be the first to write the explanation for […]
Restriction endonuclease is employed for cutting
Options
(a) A single stranded DNA (b) Double stranded DNA (c) RNA fragment (d) mRNA
Correct Answer:
Double stranded DNA
Explanation:
No explanation available. Be the first […]
Restriction enzyme EcoR I cleavage DNA at the sequence
Options
(a) AAGCTT (b) AAGTTC (c) TATAGC (d) GAATTC
Correct Answer:
GAATTC
Explanation:
No explanation available. Be the first to write the explanation for […]
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