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act biology > cell structure > Flashcards

cell structure Flashcards

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1
Q

cell theory

A

1-all living things are composed of cells
2-cells are basic unit of all organisms
3-all cells rise from preexisting cells

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2
Q

nucleus

A

controls center and carry genetic material

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3
Q

nucleolus

A

formation of ribosome

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4
Q

ribosome

A

protein synthesis

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5
Q

endoplasmic reticulum

A

rough ER
Smooth ER

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6
Q

rough ER

A

site of protein synthesis

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7
Q

smooth ER

A

synthesize steroid hormones and lipids
connects rough ER to golgi apparatus
detoxifies the cell
carbohydrate metabolism

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8
Q

golgi apparatus

A

modifies, packages and distributes

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9
Q

lysosome

A

only in animal cells
intracellular digestion
recycle old cell parts
has the apoptosis

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10
Q

apoptosis

A

programmed for cell death

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11
Q

mitochondria

A

cellular respiration

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12
Q

cell vacuole

A

storage

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13
Q

vesicle

A

tiny vacuole

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14
Q

cytoskeleton

A

gives the cell its shape and enables it to move

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15
Q

microtubules

A

protein tubulin
Celia, flagella, and spindle fibers

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16
Q

microfilament

A

protein actin

17
Q

plastids

A

chloroplast
leucoplast
chromoplast

18
Q

chloroplast

A

green/photosynthesis

19
Q

leucoplasts

A

colorless
store starch

20
Q

chromoplasts

A

store carotenoid pigments

21
Q

cell wall

A

chitin in fungi
peptidoglycan in bacteria
cellulose in plants and algae

22
Q

types of transport

A

active and passive

23
Q

active

A

requires energy

24
Q

passive

A

doesn’t require energy

25
Q

simple diffusion

A

from high to low

26
Q

facilitated diffusion

A

relies on specific proteins for difffusion

27
Q

osmosis

A

diffusion of water

28
Q

pinocytosis

A

cell drink (active )

29
Q

phagocytosis

A

eats (active)

30
Q

receptor-mediated

A

quantities of particular substances

act biology (10 decks)

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