membranes and transport Flashcards
1
Q
what is the main function of the membrane ?
A
they act as barriers controlling what passes through .
2
Q
what other function does the membrane have ?
A
chemical reactions take place on the membrane surfaces
3
Q
what are enzymes needed for?
A
they are needed for reactions to happen.
4
Q
what is the membrane mainly composed of ?
A
made up of phospholipids and proteins
5
Q
what are the lipids in the membrane called?
A
polar lipids
6
Q
is the phosphate head hydrofilic
A
yes polar phosphate heads are hydrofilic and are therefore easily dissolvable in water
7
Q
are phospholipid tails hyrophobic
A
yes they are hydrophobic and therefore are insoluble in water
8
Q
A
9
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10
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11
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12
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13
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14
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15
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A
