What is the first messenger

Reference no: EM13533235

1. Cyclic amp and cGMP are common 2nd messengers; what is thefirst messenger?
A. a water soluble hormone
B. a lipid soluble hormone
C. adenylate cycase
d. phosphoddiesterase

2. A single molecule ______ can create an amplification effect because it acts via the 2nd messenger mechanism.
A) aldosterone
B) epinephrine
C) estrogen
d) progesterone
E) testosterone

Reference no: EM13533235

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