cells and transport Flashcards

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1
Q

cells

A

the basic unit of life

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2
Q

cell membrane

A

the organelle that allows material to enter and exit the cells. found in all cells.

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3
Q

cytoplasm

A

the filling of a cell

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4
Q

nucleus

A

the organelle that contains genetic material

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5
Q

mitochondria

A

the organelle responsible for making the cells energy

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6
Q

vacuole

A

the organelle that holds water and other materials. larger in plant cells.

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7
Q

ribosomes

A

the organelle that produces proteins in the cell

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8
Q

cholorplast

A

the organelle that produces sugar using sunlight in autotrophs(plants)

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9
Q

cell wall

A

an organelle that protects plant cells

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10
Q

unicellular

A

organisms is composed of only one cell and is microscopic

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11
Q

multicellular

A

organism is composed o many specialized cells

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12
Q

-karyo

A

the Greek root which means nucleus

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13
Q

prokaryotic

A

cells that have no nucleus or specialized organelles(besides or ribosomes), like bacteria

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14
Q

eukaryotic

A

cells that have a nucleus and many organelles, like plant and animal cells

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15
Q

flagellum(plural flagella)

A

a long, whip like tail which some cells use to move

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16
Q

cilia

A

short, hair like projections that some cells use to move

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17
Q

pseudopod

A

a “fake foot” made of cytoplasm, which can be used to move or engulf food

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18
Q

structure

A

the way something looks or the organelles that it processes

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19
Q

function

A

the way something works or the job it does

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20
Q

specialized

A

a cell that has a specific structure and function in a multi-cellular organism

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21
Q

DNA

A

the molecule that carries genes stored in the nucleus, used to produce proteins and code for traits

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22
Q

osmosis

A

passive diffusion of water

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23
Q

diffusion

A

molecules moving with their concentration gradient

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24
Q

active transport

A

molecules being pumped against their concentration gradient

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25
Q

endocytosis

A

cell consuming something and engulfing it with plasma membrane

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26
Q

exocytosis

A

cell releasing something by fusing a vesicle with plasma membrane

27
Q

vesicle

A

membrane sac that carries materials around cell

28
Q

golgi apparatus

A

packages proteins

29
Q

smooth er

A

detoxifies produces lipids

30
Q

rough er

A

contains ribosomes to make proteins

31
Q

lysosomes

A

contains enzymes that break down food and old cell parts

32
Q

muscle cells

A

would contain many mitochondria

33
Q

liver cell

A

would contain a lot of smooth er

34
Q

intergral protein

A

protein embeded in the cell membrane, usually a channel protein

35
Q

cholesterol

A

keeps the fluidity of the membrane stable

36
Q

semi-permeable

A

only somethings can enter and exit the cell

37
Q

glycoprotein

A

used for cells to recognize each other

38
Q

hypertonic

A

higher concentration of solute in solutions

39
Q

isotonic

A

same concentration of solute in the solutions

40
Q

hypotonic

A

lower concentration of solute in the solution

41
Q

lyse

A

cell bursts

42
Q

plasmolyze

A

plant cell cytoplasm shrinks away from cell wall

43
Q

what is the ideal solution for plants

A

hypotonic

44
Q

what is the ideal solution for animals

A

isontonic

45
Q

passive

A

does not require energy

46
Q

nucleous

A

produces ribosomes

47
Q

bacteria

A

prokaryotic

48
Q

what are pants, animals, fungi, and protists

A

eukaryotic

49
Q

chloroplast

A

only in some plants, does photosynthesis

50
Q

small, nonpolar molecules

A

can do diffusion through the membrane

51
Q

larger, polar or charged molecules

A

do facilitated diffusion using a protein

52
Q

facilitated diffsuion

A

passive transport using a channel protein

53
Q

stem cell

A

an undifferentiated unspecialized cell

54
Q

chemical sign

A

activities and in activities certain genes to create specialized cells

55
Q

genome

A

all the DNA in one cell of an organsim

56
Q

collects sunlight which it converts to sugars

A

chloroplast

57
Q

transportation network for the cell, moves material around in the cell

A

endoplasmic reticulum

58
Q

the spreading of molecules from a high concentration to a low concentration

A

diffusion

59
Q

anisotonic solution has a _ concentration of solute than inside the cell

A

equal

60
Q

where s the DNA found in a prokaryotic cell

A

floating around in the cytoplasm

61
Q

if you look at a red blood cell under a microscope and saw the cells explode, what happened?

A

the cells were placed in a hypotonic solution

62
Q

controls what enters/ leaves the cell

A

cell membrane

63
Q

if a cell containing 5% salt is placed into a glass of water with 20% salt the water is_ compared to the cell

A

hypertonic

64
Q

ideally your cells should be in a _ solution

A

isotonic