When the effects of water-soluble hormones on their target cells are considered, the hormone itself is

A. the second messenger.
B. the hormone-response element.
C. the first messenger.
D. the G protein.
E. the phospholipase.


Answer: C

Anatomy & Physiology

You might also like to view...

In the kidney, blood is filtered in the cortex, drains through the renal pelvis into the renal medulla, and from there travels in the ureter to the urinary bladder

Indicate whether the statement is true or false

Anatomy & Physiology

The time that starts when a muscle cell is depolarized and ends when it is able to be restimulated is the __________ period

Fill in the blank with correct word.

Anatomy & Physiology

The most accurate definition of artery is a vessel that

A) transports blood away from the heart. B) transports blood toward the heart. C) carries highly oxygenated blood. D) contains internal valves. E) contains smooth muscle in its wall.

Anatomy & Physiology

Aging-related decreases in drug metabolism and excretion can lead to ________.

A. a need for greatly increased doses of a drug B. reduced need for prescription drug use C. increased benefits from taking a drug D. toxic accumulation of a drug in the body

Anatomy & Physiology