Rafts Are Stiff Groupings of Membrane Molecules

question 103

Multiple Choice

Rafts are stiff groupings of membrane molecules. What is their function?

• A)Help organize the various components of the plasma membrane
• B)Play an important role in the pinching of a parent cell into two daughter cells
• C)Sometimes allow the cell to form depressions that form a means of carrying substances into the cell
• D)All of these are functions of rafts

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Definitions:

Thyroxine (T4) Level

A measurement of the concentration of thyroxine, a hormone produced by the thyroid gland, in the bloodstream.

Thyroid Gland

An endocrine gland located in the neck, producing hormones that regulate metabolism, energy generation, and overall growth and development.

Parathyroid

Small glands located behind the thyroid which produce parathyroid hormone, involved in calcium regulation.

Vertebra Prominens

The most prominent vertebra in the neck, easily felt through the skin, typically the seventh cervical vertebra (C7).