1
Q
Why is the cell membrane semi permeable
A
1) mediated by various channels and carriers that poke holes in the membrane
2) Membrane itself
- >fat-soluble compounds go through
2
Q
Do cell walls of plants, bacteria and fungi contain higher levels of carbs
A
-yes
3
Q
Can phospholipids move rapidly in the plane of the membrane through diffusion
A
- yes
- >when the membrane is tagged with different labels, the tags will migrate with their associated lipids
4
Q
What are lipid rafts
A
- they are collections of similar lipids with or without associated proteins
- > that serve as attachment points for other biomolecules
- > lipid rafts and proteins also travel in the plane of the membrane but more slowly than phospholipids
5
Q
Do flippases assist in the flip between layers
A
-yes
MCAT Biochemistry
flashcards
Decks in class (46)
# Cards
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Chapter 2.18
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Chapter 2.27
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Chapter 2.36
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Chapter 2.41
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Chapter 2.57
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Chapter 3.117
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Chapter 3.25
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Chapter 3.319
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Chapter 4.17
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Chapter 4.25
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Chapter 4.33
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Chapter 4.413
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Chapter 5.111
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Chapter 5.217
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Chapter 5.37
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Chapter 6.110
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Chapter 6.28
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Chapter 6.310
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Chapter 6.48
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Chapter 6.514
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Chapter 7.111
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Chapter 7.213
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Chapter 7.310
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Chapter 7.47
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Chapter 7.56
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Chapter 9.15
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Chapter 9.213
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Chapter 9.33
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Chapter 9.44
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Chapter 9.511
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Chapter 9.614
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Chapter 9.74
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Chapter 12.12
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Chapter 12.25
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Chapter 12.32
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Chapter 12.49
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Chapter 12.515
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Chapter 12.610
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Chapter 10.16
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Chapter 10.212
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Chapter 10.310
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Chapter 8.15
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Chapter 8.212
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Chapter 8.32
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Chapter 8.43
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Chapter 10.43
