cell structure, function, and transport Flashcards

1
Q

is used during active transport but not passive transport

A

energy

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2
Q

process by which a cell takes in material by forming a vacuole around it

A

endocytosis

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3
Q

particle movement from an area of higher concentration to an area of lower concentration

A

passive transport

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4
Q

process by which a cell expels wastes from a vacuole

A

exocytosis

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5
Q

a form of passive transport that uses transport proteins

A

facilitated diffusion

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6
Q

particle movement from an area of lower concentration to an area of higher concentration

A

active transport

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7
Q

transport protein that changes shape when a particle binds with it

A

carrier problem

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8
Q

the diffusion of water through a cell membrane

A

endocytosis

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9
Q

the movement of substances through the cell membrane without the use of cellular energy

A

passive transport

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10
Q

used to help substances enter or exit the cell membrane

A

transport protein

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11
Q

when energy is required to move materials through a cell membrane

A

active transport

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12
Q

a vacuole membrane fuses the cell membrane and the contents are released

A

exocytosis

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13
Q

the cell membrane forms around another substance, for example, how the amoeba gets its food

A

endocytosis

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14
Q

when the molecules move from areas of high concentration to areas of lower concentration

A

diffusion

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15
Q

causes a cell to swell

causes osmosis

A

hypotonic solution

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16
Q

doesn’t change the shape

A

isotonic solution

17
Q

causes osmosis

causes a cell to shrink

A

hypertonic solution

18
Q

phospholipid molecules in a cell membrane are arranged with what on the exterior and what on the interior

A

exterior- hydrophilic heads

interior- hydrophobic tails

19
Q

water always moves towards the hypertonic solution with the greater solute concentration

A

osmosis

20
Q

true or false

facilitated diffusion uses energy

A

false

21
Q

what does facilitated diffusion require to occur

A

protein channels

22
Q

how is a cells size limited

A

they have s large surface area to volume ratio

23
Q

requires energy to move materials against the concentration gradient

A

active

24
Q

does not use energy to move materials with a concentration gradient

A

passive

25
Q

what characteristic of life would be disrupted without cell transport

A

homeostasis

26
Q

what 2 macromolecules make up the cell membrane

A

lipids and proteins

27
Q

list the protein pathway

A
nucleus 
ribosomes 
rough ER
Golgi body
vesicle
exit the cell membrane
28
Q

list the four organelles that all cells have

A

DNA
ribosomes
cytoplasm
cell membrane

29
Q

all living things are made up of one or more cells
all living things arise from pre existing cells by division
the cell is the fundamental unit of a structure and function in all living organisms

A

the cell theory

30
Q

chloroplasts allow this process to occur

A

photosynthesis

31
Q

molecules that lack an electrical charge and are hydrophobic

A

nonpolar

32
Q

act as channels and transporters

A

proteins

33
Q

molecules that have an electrical charge due to uneven sharing of electrons; hydrophilic

A

polar

34
Q

denotes all body fluid outside of the cell

A

extra cellular

35
Q

the fluid inside of the cell

A

intracellular fluid

36
Q

the component of the membrane that contains hydrophobic regions and acts as the primary barrier to most foreign substances

A

phospholipid bilayer

37
Q

transport protein that provides a tube- like opening in the plasma membrane through which parcels can diffuse

A

channel protein