What is the cell membrane composed of?

Answer 1

a bilayer phospholipid (hydrophobic tails and hydrophyllic heads), cholesterol, glycolipids (grow off phospholipids), glycoproteins (grow off proteins), intrinsic Proteins (passes through both layers), extrinsic proteins (passes through only one layer), a channel protein/ transport protein/carrier protein, allows big molecules (glucose) to pass through the cell membrane

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Answer 2

Lydia Adams

Proteins are embedded in a bilayer of phospholipids that makes up the cell membrane.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.