Which special enzyme introduces negative supercoils in DNA? – McqOptions

MCQOPTIONS

1.	Which special enzyme introduces negative supercoils in DNA?
A.	Type I topoisomerase
B.	Type II topoisomerase
C.	Gyrase
D.	Helicase
Answer» D. Helicase

Discussion

No Comment Found

Related MCQs

The following diagram represents the sintering on a microscopic scale.
Which of the following is not a mechanism of by which surface transportation occur during solid-state sintering?
________ is the mechanism by which bulk transportation can take place in solid-state sintering.
The driving force for the various stages of solid-state sintering are ________ and ________
The ________ gradient is high for small neck size leading to faster sintering.
In the second stage of sintering, with sufficient neck growth, the pore channels become more _______ in nature.
In which stage of solid-state sintering the pores are interconnected and pore shape is irregular?
The first stage of solid-state sintering, includes _______ of vacancies and ________ between surface regions with different radii of curvature.
In final stage of solid-state sintering, _____ become isolated and are no longer _______
Solid-state sintering can be broadly divided into _____ stages.