cells and transport Flashcards

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
endocytosis
cell consuming something and engulfing it with plasma membrane
26
exocytosis
cell releasing something by fusing a vesicle with plasma membrane
27
vesicle
membrane sac that carries materials around cell
28
golgi apparatus
packages proteins
29
smooth er
detoxifies produces lipids
30
rough er
contains ribosomes to make proteins
31
lysosomes
contains enzymes that break down food and old cell parts
32
muscle cells
would contain many mitochondria
33
liver cell
would contain a lot of smooth er
34
intergral protein
protein embeded in the cell membrane, usually a channel protein
35
cholesterol
keeps the fluidity of the membrane stable
36
semi-permeable
only somethings can enter and exit the cell
37
glycoprotein
used for cells to recognize each other
38
hypertonic
higher concentration of solute in solutions
39
isotonic
same concentration of solute in the solutions
40
hypotonic
lower concentration of solute in the solution
41
lyse
cell bursts
42
plasmolyze
plant cell cytoplasm shrinks away from cell wall
43
what is the ideal solution for plants
hypotonic
44
what is the ideal solution for animals
isontonic
45
passive
does not require energy
46
nucleous
produces ribosomes
47
bacteria
prokaryotic
48
what are pants, animals, fungi, and protists
eukaryotic
49
chloroplast
only in some plants, does photosynthesis
50
small, nonpolar molecules
can do diffusion through the membrane
51
larger, polar or charged molecules
do facilitated diffusion using a protein
52
facilitated diffsuion
passive transport using a channel protein
53
stem cell
an undifferentiated unspecialized cell
54
chemical sign
activities and in activities certain genes to create specialized cells
55
genome
all the DNA in one cell of an organsim
56
collects sunlight which it converts to sugars
chloroplast
57
transportation network for the cell, moves material around in the cell
endoplasmic reticulum
58
the spreading of molecules from a high concentration to a low concentration
diffusion
59
anisotonic solution has a _ concentration of solute than inside the cell
equal
60
where s the DNA found in a prokaryotic cell
floating around in the cytoplasm
61
if you look at a red blood cell under a microscope and saw the cells explode, what happened?
the cells were placed in a hypotonic solution
62
controls what enters/ leaves the cell
cell membrane
63
if a cell containing 5% salt is placed into a glass of water with 20% salt the water is_ compared to the cell
hypertonic
64
ideally your cells should be in a _ solution
isotonic