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NEET UG CHEMISTRY MCQ: CHEMISTRY IN EVERYDAY LIFE
1
Hard
1 of 1
Understanding
+4 | -1
S-I: Chemical messenger gives message to the cell without entering the cell.
S-II: Chemical messenger is received at the binding site of receptor proteins.
S-II: Chemical messenger is received at the binding site of receptor proteins.
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Correct option: A
Both (I) and (II) are ture
Option A is correct because both statements are true: chemical messengers transmit signals without entering the cell and bind to receptor proteins.