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Biology 1-8 cumulative

Question:

The primary function of polysaccharides attached to the glycoproteins and glycolipids of animal cell membranes is

A) to maintain the integrity of a fluid mosaic membrane.

B) to mediate cell-to-cell recognition.

C) to actively transport molecules against their concentration gradients.

D) to facilitate diffusion of molecules down their concentration gradients.

E) to maintain membrane fluidity at low temperatures.

Answer:

B) to mediate cell-to-cell recognition.

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Last update by dangkathy04 on 05/03/2014
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Biology 1 8 cumulative
Biology 1-8 cumulative
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Free Flashcard From Biology 1-8 cumulative
Question: The primary function of polysaccharides attached to the glycoproteins and glycolipids of animal cell membranes is A) to maintain the integrity of a fluid mosaic membrane. B) to mediate cell-to-cell recognition. C) to actively transport molecules against their concentration gradients. D) to facilitate diffusion of molecules down their concentration gradients. E) to maintain membrane fluidity at low temperatures.
Answer: B) to mediate cell-to-cell recognition.