(A) E. coli only
(B) E. coli and also Ligase encoded by T4 phage
(C) Saccharomyces
(D) Retroviruses
Tag: Basic Microbiology Mcqs
Prior to the production of recombinant insulin, insulin obtained from cows and pigs were given to patients. Some of the problems faced by this treatment was:
(A) The insulin was not active
(B) In some humans it induced antibody production
(C) It reduces the weight of patients
(D) Loss of memory power
Main tools required for recombinant DNA technology are:
(A) Vector, desired gene
(B) Vector, desired gene, mRNA of desired gene, host, restriction enzymes, ligases
(C) Desired gene, host, vector
(D) Vector, desired gene, mRNA of desired gene, host
Restriction endonucleases recognize specific sequences on DNA called:
(A) Non-coding sequences
(B) Satellites
(C) Palindromes with rotational symmetry
(D) Tandem repeats
VNTR stands for:
(A) Variable nucleotide triplet repeat
(B) Variable nucleoside tandem repeat
(C) Variable nucleoside triplet repeat
(D) Variable number tandem repeats
In restriction endonuclease EcoR1, “E” stands for?
(A) Extraction
(B) The first letter of the genus in which it is present
(C) Endonuclease
(D) Endangered
Restriction endonucleases are also called:
(A) Molecular scissors
(B) Molecular stichers
(C) DNA synthesis
(D) Polymerases
The scientists who won Nobel prize for physiology for their discovery of restriction endonucleases are:
(A) Jacob and Monad
(B) Smith, Nathans and Arber
(C) Watson and Crick
(D) Alec Jaffreys and Milstein