Q. No.Silencing of specific mRNA due to a complementary dsRNA is called mRNA silencing. Here the source of ds RNA is
(1) RNA virus
(2) Mobile genetic element with RNA intermediate
(3) Transposons having RNA intermediate during process of replication
(4) All of these
(1) RNA virus
(2) Mobile genetic element with RNA intermediate
(3) Transposons having RNA intermediate during process of replication
(4) All of these
Agrobacterium vectors carried nematode specific genes which is introduced into the host plant and suct that it produced
(1) Sense and anti sense RNA
(2) Only antisense RNA
(3) Only sense RNA
(4) Sense and antisense Protein
According to NCERT data how many recombinant therapeutics have been approved for human use and how many are marketed in India?
(1) 12, 6
(2) 32, 16
(3) 30, 12
(4) 12, 10
Which of the following peptides is present in only proinsulin not in insulin?
(1) A
(2) B
(3) C
(4) Both A and C
The main challenge for the production of insulin using r-DNA technologies was
(1) Getting insulin assembled into a mature form
(2) Getting insulin from human source
(3) Getting insulin synthesized chemically in proinsulin form
(4) Getting C peptide synthesized.
An American company which synthesized the DNA sequences for insulin was
(1) Eli lity
(2) Eili Lily
(3) Ele Lily
(4) Eli Lilly
For the first time, the synthesis of two DNA sequences of insulin was carried out by Eli Lilly in
(1) 1972
(2) 1981
(3) 1983
(4) 1987
Insulin chains produced by Eli Lilly using recombinant DNA technology, actually taken which of the following strain of bacteria?
(1) Escherichia coli
(2) Bacillus subtilis
(3) Saccharomyces cerevisiae
(4) Bacillus xenus
Gene therapy is not
(1) An attempt to correct a gene defect
(2) By which genes are inserted into an individual or embryo to take over the function of and compensate the non-functional gene.
(3) Genes are inserted into a person's cells and tissues to treat a disease
(4) Correction of environmental defect by inserting a gene
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