Testosterone Functions Inside a Cell by

question 19

Multiple Choice

Testosterone functions inside a cell by

• A) acting as a signal receptor that activates tyrosine kinases.
• B) binding with a receptor protein that enters the nucleus and activates specific genes.
• C) acting as a steroid signal receptor that activates ion channel proteins.
• D) becoming a second messenger that inhibits adenylyl cyclase.
• E) coordinating a phosphorylation cascade that increases spermatogenesis.

---

Definitions:

Median

The middle value of a data set when it is arranged in ascending or descending order.

10th Percentile

A value below which 10% of the data fall, often used in statistics to show lower extremes of a distribution.

Cyclopentanone

A five-membered cyclic ketone, characterized by a ring structure containing one ketone group, used as a precursor in the synthesis of fragrances and pharmaceuticals.

Hydrate

A compound typically formed by the absorption of water molecules into its structure, often resulting in a crystalline form.