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
Answer: Option D
This Question Belongs to Biotechnology Engineering >> Cell Biology In Biotechnology
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