Each of the Following Appears to Lower the Risk of Developing

question 21

Multiple Choice

Each of the following appears to lower the risk of developing cancer EXCEPT ______.

• A) free radicals
• B) calcium
• C) vitamins
• D) fruits and vegetables

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Definitions:

Peripheral Proteins

These refer to proteins that are located on the surface of the plasma membrane, either on the exterior or interior side; they are not embedded in the lipid bilayer.

Integral Proteins

Proteins that are permanently embedded within the lipid bilayer of cell membranes, playing roles in various cellular functions including transport and signal transduction.

Cell Membrane

A biological membrane that separates the interior of all cells from the outside environment, controlling the movement of substances in and out of cells.

Receptor-medicated Endocytosis

A cellular process in which substances are brought into the cell through receptors that bind to specific molecules.