A Second Messenger Is

question 65

Multiple Choice

A second messenger is

• A) a substance that brings about a desired effect in a cell as a result of a hormone binding to its receptor on the cell surface
• B) a hormone that acts on a target cell, not one of the releasing factors or trophic hormones that act on specific endocrine glands
• C) a hormone that affects the DNA of the target cell
• D) a specialized form of mRNA

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Definitions:

Dysmenorrhea

A medical condition characterized by severe and painful menstrual cramps.

Amenorrhea

The absence of menstruation in a woman of reproductive age, which could be due to various factors including pregnancy, stress, or medical conditions.

Toxic Shock Syndrome (TSS)

A rare but serious condition caused by bacterial toxins, often associated with tampon use, skin wounds, or surgery.

Oogenesis

The production of oocytes; the ovarian cycle.