1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
In 'S' phase of the cell cycle
A
amount of DNA doubles in each cell
B
amount of DNA remains same in each cell
C
chromosomes number is increased
D
amount of DNA is reduced to half in each cell.
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
The enzyme recombinase is required at which stage of meiosis?
A
Pachytene
B
Zygotene
C
Diplotene
D
Diakinesis
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?
A
G0 and G1
B
G1 and S
C
Only G2
D
G2 and M
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
Select the option which is not correct with respect to enzyme action.
A
Substrate binds with enzyme at its active site.
B
Addition of lot of succinate does not reverse the inhibition of succinic dehydrogenase by malonate.
C
A non-competitive inhibitor binds the enzyme at a site distinct from that which binds the substrate.
D
Malonate is a competitive inhibitor of succinic dehydrogenase.