Cells and buffers Flashcards by Prabhpal Sandhu | Brainscape

Q

Functions of cell membranes

A

THEY ARE NOT PASSIVE BARRIERS

maintain cell shape
insulation and protection
regulation of concentration of substances inside
cellular communication

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Q

What makes up cell membranes ?

A

lipids
proteins
carbohydrates

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Q

what lipids make up the cell membrane?

A

phospholipids

glycolipids

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Q

what are phospholipids made of?

A

glycerophospholipid

sphingolipids

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Q

what make up a glycerophospholipid?

A

glycerol

2 FA

PO4

alcohol

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Q

what make up sphingolipids?

A

spingosine

FA

[PO4 -choline or glucose/galactose]

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Q

what bond connects FA to sphingosine ?

A

amide

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Q

what is a sphingosine?

A

Amino alcohol with a long side chain

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