Testosterone Functions Inside a Cell by

question 17

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 nitric oxide.
• E) coordinating a phosphorylation cascade that increases spermatogenesis.

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Definitions:

Tariffs

Taxes imposed by a government on imported goods to increase their price and protect domestic industries.

Import Quotas

A government-imposed limit on the quantity of a particular good that can be imported into a country during a specified period of time.

Protected Goods

Goods that are safeguarded from competition by trade barriers such as tariffs or quotas.

Import Quota

A government-imposed limit on the quantity or value of goods that can be imported into a country, used to protect domestic industries.