bio Flashcards

1
Q

cytoplasm

A

jelly like material that organelles float in.

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2
Q

nucleus’s

A

contains DNA. surrounded by nuclear membrane.

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3
Q

nucleolus

A

inside nucleus, where ribosomes are assembled.

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4
Q

ribosomes

A

where proteins are assembled

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5
Q

endoplasmic reticulum

A

(smooth or rough) where lipids, protein + other materials are made + exported by a VESICLE

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6
Q

golgi apparatus

A

finishing touch on proteins and other materials before shipped out of cell

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7
Q

lysosomes

A

filled with enzymes to break down waste (clean up)

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8
Q

vacuoles

A

store materials - water, salt, proteins carbohydrates

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9
Q

chloroplast

A

changes sunlight into chem energy (sugar) ONLY IN PLANTS

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10
Q

cytoskeleton

A

frame work in cell made of microtoboles channels to move stuff around (net)

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11
Q

centrioles

A

found only in animal cells, and in cell division

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12
Q

cell wall

A

found only in plants made of cellulose, gives support.

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13
Q

diffusion

A

particles move from area of high concentration to love concentration

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14
Q

osmosis

A

diffusion of H20 through a selectively permeable membrane

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15
Q

isotonic

A

solution are same inside + out

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16
Q

hypertonic

A

solutes higher outside of cell

17
Q

hypotonic

A

solules lower outside of cell

18
Q

facilitated diffusion

A

use proteins in cell membrane

19
Q

passive

A

doesn’t require energy glucose moves from higher concentration to lower concentration through protein channels

20
Q

active transport

A

does require energy for protein = ATP to move particles against concentration gradient lower concentration to higher concentration

21
Q

endocytosis

A

taking in large clumps of material by infolding of cell membrane.

22
Q

phagocytosis

A

cell eating

23
Q

pinocytosis

A

cell drinking

24
Q

exocytosis

A

releasing large amount of material from cell. vacuole fuses with cell membrane forcing contents out.

25
Q

cell membrane

A

regulates what enters and leaves the cell. made of lipid bi-layer w/ proteins embedded in it.