Osmosis Test Flashcards

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1
Q

these cells live everywhere

A

prokaryotes

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2
Q

prokaryote

A

unicellular, very small, no membrane bound organelles, naked DNA

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3
Q

eukaryote

A

unicellular/multicellular, larger, nucleus, ribosomes, membrane bound organelles

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4
Q

found in plants, animal, fungi, protists

A

eukaryotes

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5
Q

plant cells

A

no cell membrane, cell well, chloroplasts, central vacuole

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6
Q

animal cells

A

cell membrane, lysosome, centrioles

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7
Q

small cell radius?

A

1 unit

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8
Q

large cell radius?

A

10 units

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9
Q

SA of small cell?

A

12.57 units2

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10
Q

SA of large cell?

A

1257 units2

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11
Q

volume of small cell?

A

4.189 units3

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12
Q

volume of large cell?

A

4189 units3

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13
Q

as a cell gets larger, its volume…

A

increases at a faster rate than its surface area

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14
Q

chloroplasts

A

photosynthetic bacterium

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15
Q

mitochondria

A

aerobic bacterium

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16
Q

organelles in endomembrane system

A

nuclear membrane,endoplasmic reticulum,Golgi apparatus, lysosomes, vesicles, endosomes and cell membrane

17
Q

fluid mosaic model

A

globular proteins are inserted into the phospholipid bilayer (NP facing in and Polar facing out)

18
Q

diffusion

A

movement from high to low concentration, passive transportation, no energy needed

19
Q

facilitated diffusion

A

diffusion through protein channels or carriers (with help), no energy needed

20
Q

osmosis

A

diffusion of water from high to low concentration

21
Q

sodium potassium pump

A

uses ATP to pump 3 sodium ions out of the cell and 2 potassium ions into the cell

22
Q

endocytosis

A

plasma membrane envelops food particles

23
Q

exocytosis

A

discharge of material from vesicles at cell surface

24
Q

hypotonic

A

lower concentration, more water; burst/turgid

25
Q

hypertonic

A

higher concentration, less water; shrink/plasmolyzed

26
Q

isotonic

A

equal solute, equal water; normal/flaccid

27
Q

plasmolysis

A

wilt, can recover