Determine the correctness or otherwise of the following Assertion [a] and the Reason [r] regarding mammalian cells.
Assertion [a]: Cells use , and not , for cell-to-cell signaling
Reason [r]: In the cytosol, concentration of is lower than that of
- (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)
[a] is true but [r] is false.
