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Cell Transport FLAG Flashcards | StudBud
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Cell Transport FLAG
Cell Transport FLAG
30 terms
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StudBud Administration
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review of cell transport biology
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
When is dynamic equilibrium reached?
when there is continuous movement, but no cell size change
when the molecules are mixed and stop moving
when the rate of change in the solution slows by one half
when the movement of molecules stops being random
2
Which type of diffusion is shown in the image?
exocytosis
protein pump
facilitated diffusion
endocytosis
3
Which type of molecule diffusion requires no energy?
endocytosis
active transport
exocytosis
osmosis
4
Why does soaking fruits and vegetables with water help them look and taste fresh?
plant cells in a hypotonic solution lose water
plants do not have a rigid cell wall
vacuoles fill with water due to osmosis
water cannot move through the cell membrane
5
What helps keep the cell membrane flexible?
transport proteins
cholesterol
peripheral protein
internal pore
6
The solution on the outside of the cell in the far right diagram is considered...
hypotonic
hypertonic
isotonic
active transport
7
Which movement of substances through a cell membrane requires energy?
osmosis
diffusion
facilitated diffusion
active transport
8
The diffusion of water across a selectively permeable membrane is called
active transport
osmosis
pinocytosis
osmotic pressure
9
Which term best describes the tails/legs of a phospholipid?
contains a phosphate group and attracts water
contains two fatty acids and repels water
contains two fatty acids and attracts water
contains a phosphate group and repels water
10
Which cell membrane protein goes through both layers of the phospholipid bilayer?
cholesterol
peripheral protein
transport protein
internal pore
11
At what point in the process of diffusion is equilibrium reached?
when there are more molecules out than in
when there are more molecules in than out
when there are an equal amount of molecules spread around
equilibrium can never be reached
12
What is osmosis?
diffusion of water across a semipermeable membrane
diffusion of glucose across the cell membrane
there is no such thing as osmosis
sleeping on a textbook and acquiring knowledge
13
If the cell on the far left is an animal cell, what do we call it's cell membrane shrinkage?
passive transport
lysis
crenation
plasmolysis
14
Why do plants wilt?
plant cells are in a hypertonic solution & the cells shrink
the plant cells are sleepy
plants don't wilt they get lazy
plant cells are in a hypotonic solution & the cells swell
15
What types of cells have a cell membrane?
animal cells
all cells
plant cells
bacteria cells
16
If a cell with 60% solute, is placed in a solution with 10% solute, where will water move?
nothing will move
out of the cell causing it to shrink
into the cell causing it to swell
water would enter and leave in equal amounts
17
Which term best describes the head of a phospholipid?
contains a phosphate group and attracts water
contains two fatty acids and repels water
contains a phosphate group and repels water
contains two fatty acids and attracts water
18
Which of the following is a function of the plasma membrane?
store water, salt, proteins, and carbs
regulate the movement of material in & out of cell
break down lipids, carbs, and proteins
keep the cell wall in place
19
Explain why MORE water is moving out of the cell
more solute outside the cell
concentration of water outside the cell is too great
more solvent outside the cell
more solute in the cell
20
What is a major difference between facilitated diffusion and active transport?
active transport doesn't require energy
active transport moves substances from low to high amount
facilitated diffusion requires energy
facilitated diffusion moves molecules through the membrane
21
An animal cell that is surrounded by fresh water will burst because
solutes move into the cell
water moves out of the cell
water moves into the cell
solutes move out of the cell
22
Why would drinking too much water be harmful to athletes?
cells are in a hypotonic solution and will swell
cells are in a hypotonic solution and will shrink
cells are in a hypertonic solution and will swell
cells are in a hypertonic solution and will shrink
23
A plant cell is placed in a hypotonic solution. What will happen to the plant cell?
it will enlarge
it will wilt
it will stay the same
it will shrink
24
Which cell membrane structure helps identify the cell?
internal pore
peripheral protein
transport protein
cholesterol
25
Which term describes the relatively constant internal physical condition of an organism?
homeostasis
organ system
cell specialization
unicellularity
26
Which of the following is an example of passive transport?
exocytosis
endocytosis
facilitated diffusion
active transport
27
The cell in the middle is sitting in a solution that is ....
active transport
hypertonic
isotonic
hypotonic
28
Which of the following structures serves as the cell's boundary?
transport protein
mitochondria
plasma membrane
chloroplast
29
Cells are placed in an isotonic solution. Salt is then ADDED to the solution, what happens?
they will swell
they will burst
they will stay the same
they will shrink
30
During diffusion, when the concentration of molecules on both side of the membrane are the same
they will move out of the cell
they will continue to move in both directions
they will stop moving
they will move into the cell
