cell membrane structure Flashcards

0
Q

what is significant about the permeability of the cytoplasmic membrane?

A

highly selective permeability allowing concentration of specified metabolites while excreting waste products

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1
Q

what is the cytoplasmic membrane?

A

vital, thin structure that surrounds the cell, protecting the cytoplasm from the environment

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2
Q

the basic composition of the membrane structure is comprised of

A

a phospholipid bilayer

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3
Q

phospholipid bilayer has

A

a hydrophobic and a hydrophilic component

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4
Q

the composition of the membrane can exist as many different chemical forms because

A

it has a glycerol backbone attaching various groups arranged to it

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5
Q

what part of the phospholipid bilayer phases inward and outward?

A

the fatty acid (glycerol) faces inward to form the hydrophobic region

the rest of the phospholipid portions face outward making the external region of the cell hydrophilic

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