Soon After a Certain Molecule Enters a Cell,the Cell Begins

question 74

Multiple Choice

Soon after a certain molecule enters a cell,the cell begins producing a new type of protein.The molecule was probably a

• A) receptor molecule.
• B) hydrophilic molecule.
• C) carrier protein.
• D) hydrophobic hormone.

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Definitions:

Circle of Willis

A circulatory anastomosis that supplies blood to the brain and surrounding structures, playing a critical role in cerebrovascular health.

Aortic Arch

Curve between the ascending and descending portions of the aorta.

Thrombus

A blood clot formed within a blood vessel or the heart that can obstruct blood flow.

Blood Flow

The movement of blood through the circulatory system, delivering oxygen and nutrients to the body and removing waste products.