Q33
Determine the correctness or otherwise of the following Assertion [A] and the Reason [R] regarding mammalian cells. Assertion [A]: Cells use Ca2+ and not Na+, for cell to-cell signaling. Reason [R]: In the cytosol, concentration of Na+ is lower than that of Ca2+
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
AnswerAnswer: Option D
Solution
Answer: Option D
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