Which of the Following Statements Is Not True Concerning the Hormonal

question 21

Multiple Choice

Which of the following statements is not true concerning the hormonal control over the male reproductive system?

• A) The hypothalamus secretes a hormone called gonadotropin-releasing hormone.
• B) Follicle-stimulating hormone and luteinizing hormone are present in both males and females.
• C) These hormones are involved in a negative feedback relationship.
• D) Luteinizing hormone controls the production of sperm in the seminiferous tubules.
• E) The interstitial cells produce testosterone.

---

Definitions:

G Protein

A group of proteins functioning as cellular molecular switches, responsible for conveying signals from external stimuli to the inside of the cell.

Cyclic AMP

A second messenger important in many biological processes, derived from adenosine triphosphate (ATP) and used for intracellular signal transduction.

Phosphorylation

The addition of a phosphate group to a molecule, a crucial process in biology that modulates the function of proteins and other molecules in cells.

Excitatory Postsynaptic Potential

A temporary increase in postsynaptic membrane potential due to the flow of positively charged ions into the postsynaptic cell, making it more likely to fire an action potential.