Chapter 9 Flashcards

1
Q

type of lipid bilayer formed depends on

A

the ratio of cross sections of the polar head group and the hydrophobic tail

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2
Q

exposure of hydrophobic tails to water is

A

energetically unfavorable

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3
Q

three classes of membrane proteins

A

peripheral,integral membrane, and lipid anchored

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4
Q

peripheral associate with membrane through

A

charge-charge or h bonding interaction

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5
Q

changes in pH releases which proteins

A

releases peripheral proteins

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6
Q

membrane proteins are (3)

A

immersed and usually span the membrane

  • hydrophobic
  • receptors
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7
Q

anchored proteins are

A

always at outer face

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8
Q

spontaneous flip flop diffusion requires

A

flippases

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9
Q

sphingolipid and cholesterol rafts are

A

enriched in lipid anchored proteins

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