An Example of a Second Messenger Is

question 65

Multiple Choice

An example of a second messenger is:

• A) protein kinase A.
• B) an ion channel.
• C) cyclic AMP.
• D) GABA.
• E) insulin.

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Definitions:

Dermis

The dermis is the thick layer of living tissue below the epidermis that contains nerve endings, sweat glands, hair follicles, and blood vessels, providing strength and elasticity to the skin.

Blood Clot

A gel-like mass formed by platelets and fibrin in the blood to stop bleeding by sealing wounds.

Extracellular Material

Substances found outside the cells that provide structural and biochemical support to surrounding cells.

Connective Tissue

Tissue that supports, connects, or separates different types of tissues and organs in the body, characterized by few cells and a large amount of extracellular matrix.