Which of the Following Statements Is TRUE Concerning the Cell

question 39

Multiple Choice

Which of the following statements is TRUE concerning the cell membrane?

• A) Cholesterol within the membrane gives it added strength and flexibility.
• B) Receptor molecules are embedded in the membrane for intercellular communication.
• C) Carbohydrates bind to protein molecules thereby modifying the proteins function as a membrane channel.
• D) Receptor molecules embedded in the membrane are involved in cellular recognition.
• E) All of these statements are true of cell membranes.

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Definitions:

X-rays

A form of electromagnetic radiation used in medical imaging to view inside the body, especially bones.

Glucagon

A hormone produced by the pancreas that increases blood glucose levels, opposing the action of insulin.

Pancreas

The endocrine gland responsible for regulating the amount of sugar in the bloodstream.

Positron-Emission Tomography

An imaging technique that uses radioactive substances to visualize and measure metabolic processes in the body.