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Which of the following descriptions about the cell membrane is correct? A.) proteins molecules group together in one area B.) cholesterol molecules stick out of the membrane as signals C.) the tails of the phosophipids are attracted to water D.) proteins embedded in the membrane help molecules to cross

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I believe the answer to this is c.

Embedded proteins in the membrane helps molecules to move across the cell membrane.

What is cell membrane?

  • The cell membrane is a biological membrane that protects and isolates the interior of all cells from the outside environment.
  • The cell membrane is primarily made up of a thin layer of amphipathic phospholipids that spontaneously arrange so that the hydrophobic "tail" regions are isolated from the surrounding water and the hydrophilic "head" regions interact with the intracellular (cytosolic) and extracellular faces of the resulting bilayer, which also contains embedded proteins.

What is embedded proteins?

  • They are cell membrane proteins that are entirely embedded in a phospholipid bilayer and have hydrophilic and hydrophobic areas.
  • It aids in the transport or channeling of molecules across the membrane.
  • Cell receptors are acted upon by other integral proteins.

Hence, the correct option is D. proteins embedded in the membrane help molecules to cross.

To know more about cell membrane here

https://brainly.com/question/13524386

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