cell intro Flashcards

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1
Q

3 basic features of cell

A
  1. compartmentalization (division)
    -allows for specialization

-self assembly and hoeostasis
becuase they have all materials they need

  1. replication
    -every cell is formed from a pre-existing cell
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2
Q

eukaryotic

A

organelles surrounded by a membrane

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3
Q

prokaryotic

A

no organelles surrounded by membranes

-since small, dont need to be divided.

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4
Q

size of cell:
minimum size

A

limited by ability to pack structural components into the cell

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5
Q

size of cell: maximum size

A

limited by ratio of sa to volume

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6
Q

to increase SA…

A

branching and folding

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7
Q

membranes (sheet like structure)- functions

A
  1. compartmentalization
  2. semi-permeable (selective passage of material)
  3. sites of chemical reactions

4.receptors for cell recognition
(injury response)

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