-What Structure Does "B" Represent on the Diagram of the Plasma

question 197

Multiple Choice

-What structure does "B" represent on the diagram of the plasma membrane?

• A)internal membrane surface
• B)membrane channel protein
• C)phospholipid bilayer
• D)peripheral protein
• E)integral protein

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Definitions:

Secretory Vesicle

Membrane-bound sacs within cells that store and transport substances which are to be secreted or released.

Microtubule

Hollow tube composed of tubulin, measuring approximately 25 nm in diameter and usually several micro meters long. Helps provide support to the cytoplasm of the cell and is a component of certain cell organelles, such as centrioles, spindle fibers, cilia, and flagella.

Lysosomes

Organelles in cells that contain enzymes used to break down and recycle cellular debris and foreign substances.

White Blood Cell

A type of immune cell that is crucial in defending the body against infection and disease.