Home
Class 12
BIOLOGY
Assertion :- DNA is chemically and struc...

Assertion :- DNA is chemically and structural more stable.
Reason : In DNA thymine is present instead of uracil.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is Flase.

D

If both Assertion & Reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion :- DNA is chemically and structurally more stable. Reason : DNA have no catalytic properties.

DNA has .............. instead of wracil.

Assertion :- RNA is less stable then DNA. Reason : In RNA'2 - OH group present on every nucleotide.

Assertion: Purine bases present in DNA are adenine and guanine. Reason: The base thymine is present in RNA while base uracil is present in DNA.

Assertion : RNA being a catalyst was reactive and hence unstable. Reason : DNA has evolved from RNA with chemical modifications that make it more stable.

Assertion : DNA is associated with proteins. Reason : DNA binds around histone proteins that form a pool and the entire structure is called a nucleosome.

Assertion : DNA polymerase -I acts as proofreader. Reason : DNA polymerase-I removes mismatched nucleotides.

In DNA, uracil is replaced by

Assertion (A): DNA is positively charged molecule. Reason (R) : DNA moves towards the positive electrode (anode).

Assertion. DNA is more stable while RNA is more reactive. Reason. DNA was first discovered by Watson and Crick (1953).