Subject Experts Solutions for Exercise 1: MCQS CORNER
Subject Experts Biology Solutions for Exercise - Subject Experts Solutions for Exercise 1: MCQS CORNER
Attempt the free practice questions from Exercise 1: MCQS CORNER with hints and solutions to strengthen your understanding. MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII solutions are prepared by Experienced Embibe Experts.
Questions from Subject Experts Solutions for Exercise 1: MCQS CORNER with Hints & Solutions
In addition to Taq polymerase enzyme, which other thermostable polymerases have been isolated to be used in Polymerase Chain Reaction
Identify the figures (A) and (B) and select the correct option:
Stirred-tank bioreactors have advantages over shake flasks because they
After completion of the biosynthetic stage in the bioreactors, the product undergoes separation and purification processes, collectively termed as
Study the following statements regarding recombinant DNA technology and select the incorrect ones.
(i) Taq polymerase extends the primers using the nucleotides provided in the reaction.
(ii) Antibiotic resistance genes are considered as desirable genes in recombinant DNA technology.
(iii) DNA fragments are separated according to their charge only, in agarose gel electrophoresis.
(iv) Transformation is a procedure through which a piece of DNA is integrated into the genome of a host bacterium.
(v) To produce higher yields of a desired protein, host cells can be multiplied in a continuous culture.
(vi) Downstream processing is one of the steps of polymerase chain reaction.
Read the following statements and select the incorrect ones.
(i) When the transformed cells on agar plates containing ampicillin are spread, both transformed and untransformed cells will grow.
(ii) Restriction enzymes are used in isolation and separation of DNA from other macromolecules.
(iii) Downstream processing is one of the steps of rDNA technology.
(iv) Disarmed pathogen vectors are also used in the transfer of rDNA into the host.
Match the scientists in Column I with their related\discoveries in Column II and select the correct option from the given codes.
| Column I | Column II | ||
|---|---|---|---|
| Kary Mullis | Father of genetic engineering | ||
| Paul Berg | Nobel Prize for the discovery of restriction endonucleases | ||
| Stanley Cohen and Herbert Boyer | Developed polymerase chain reaction | ||
| Arber, Smith and Nathan | Isolated an antibiotic resistant gene from a plasmid of the bacterium Salmonella typhimurium |
Select the correct option to fill up the blanks.
(i) _____ is a natural polymer extracted from _____.
(ii) The DNA fragments purified by gel electrophoresis are used in constructing _____ by joining them with _____.
(iii) The ligation of alien DNA is carried out at a _____ present in one of the two _____ in a plasmid vector.
(iv) _____ enzyme remains active during the high temperature induced denaturation of ds DNA.
(v) DNA fragments are resolved according to their _____ through _____ in agarose gel electrophoresis.
