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Passive Transport and Plasma MEmbrane Flashcards | StudBud
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Passive Transport and Plasma MEmbrane
Passive Transport and Plasma MEmbrane
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Test your knowledge on the Plasma (cell) Membrane!
Flashcards
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Questions
20
Answers
1
Which of the following is not a name for the cell membrane?
Fluid mosaic model
Phospholipid bilayer
plasma membrane
cell wall
2
Once equilibrium is reached, particles will not move at all.
False
True
3
Plants thrive best in
it doesn't matter
hypotonic
hypertonic
isotonic
4
The plasma membrane is ______________ which means only certain molecules will cross.
selectively permeable
thick
all of the choices
rigid
5
A cell is placed in a solution that has a higher concentration of solute. What type of solution would this be called?
hypertonic
hypotonic
isotonic
none of the choices
6
If you smell something from across the room, the particles traveled through the air because of
all of the above
diffusion
facillitated diffusion
osmosis
7
How do large/charged particles get transported through the plasma membrane?
diffusion
facillitated diffusion
osmosis
transport proteins
8
What will happen to a cell containing 10% salt conc. when it is placed in environment that contains a salt conc. of 20%
remain the same size
swell
shrink
all of the choices
9
What does cholesterol do in the plasma membrane?
Serves as a layer of protection
Keeps the membrane from becoming soft
Keeps the membrane from drying out
Keeps the shape of cell so not too fluid
10
Molecules that can diffuse directly across the membrane include
charged molecules / ions
small, nonpolar molecules
sugar (glucose)
proteins
11
When does plasmolysis occur?
animal cell in hypotonic environment
animal cell in hypertonic environment
plant cell in hypotonic environment
plant cell in hypertonic environment
12
Animals thrive best in what enviroment?
hypertonic
hypotonic
It doesn't matter
isotonic
13
The plasma membrane includes:
proteins and lipids
hydrophobic fatty acid tails
hydrophillic phosphate heads
all of the choices
14
A charaterisitic of passive Transport is
Goes with the concentration gradient
Goes against the concentration gradient
requires energy
NO energy required
15
What is the fundamental structure of the Plasma Membrane?
fluid mosaic
Phospholipid bilayer
Hydrophobic Layer
Integral Protein
16
Which of the following does not require energy?
All choices
Diffusion
Facillitated Diffusion
Osmosis
17
A phospholipid contains what components?
water 'loving' and 'hating' parts
fatty acids
phosphate
all of the choices
18
Which of the following is NOT a type of passive transport?
Diffusion
Osmosis
Endocytosis
Facillitated Diffusion
19
What is the image showing?
all of the choices
diffusion
osmosis
facilliated diffusion
20
What is the function of proteins in the cell membrane?
determines what goes into and out of the cell
keep water molecules out
Keep the membrane from getting stiff
keep water molecules in
