Question
Biology Question on Chemical mutagenesis
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
Assertion [a]: Nitric oxide is involved in transient paracrine and autocrine signaling.
Reason [r]: Nitric oxide is highly reactive, with a lifetime of few seconds, yet can diffuse freely across membranes
A
Both [a] and [r] are true and [r] is the correct reason for [a]
B
Both [a] and [r] are true but [r] is not the correct reason for [a]
C
Both [a] and [r] are false
D
Only [a] is true but [r] is false
Answer
Both [a] and [r] are true and [r] is the correct reason for [a]
Explanation
Solution
The correct answer is (A) : Both [a] and [r] are true and [r] is the correct reason for [a]