Which of the Following Is Known to Be a Second

question 26

Multiple Choice

Which of the following is known to be a second messenger?

• A) diacylglycerol
• B) phospholipase C
• C) ATP
• D) adenylyl cyclase
• E) epinephrine

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Definitions:

Mono-

A prefix meaning single or one, used in various scientific and medical terminologies.

Thrombin

A blood plasma enzyme that initiates blood clotting by transforming fibrinogen into fibrin.

Thromboplastin

A plasma protein that catalyzes the conversion of prothrombin to thrombin, playing a crucial role in the blood clotting process.

Serum

The liquid portion of blood that remains after clotting, containing electrolytes, antibodies, antigens, and other soluble substances.