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Cell Membrane Structure, Types of Solution and Diffusion Flashcards | StudBud
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Cell Membrane Structure, Types of Solution and Diffusion
Cell Membrane Structure, Types of Solution and Diffusion
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Covers the basics about cell membranes and cell transport. Made for grade 10 Biology.
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Questions
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Answers
1
A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate
hypertonic
hypotonic
isotonic
hydroponic
2
The basic structure of the cell membrane is
impermeable.
made of proteins.
a phospholipid bilayer.
a liquid bilayer.
3
Hydrophobic....
Water Loving
Phospholid Head
Phospholipid Tail
Water Fearing
4
Cell membrane is primarily made up of______________________
Nucleic Acid
Protein
Carbohydrate
Lipid
5
The primary function of the cell membrane is
to control what moves in and out of the cell.
to provide support for the cell.
to protect the cell
cell signaling.
6
Water enters, cell swells; lower solute concentration outside the cell than inside = __solution
hypotonic
isotonic
hydroponic
hypertonic
7
The stuff that is dissolved is called _________________________
solvent
suspension
solute
solution
8
What kind of solution is the red blood cell on the right in?
hypertonic
hypotonic
hydroponic
isotonic
9
A term used to describe the cell membrane is ______________________
the nuclear membrane
the endocytic barrier
the cell wall
Fluid Mosaic Model
10
What is concentration?
the amount of mass something has
the weight of a substance
the density of a substance
amount of things in a given area
11
What molecules are imbedded in the bilayer?
glucose
nucleic acids
ribosomes
proteins
12
What is structure "D"?
cholesterol
a glucose molecule
a protein
a phospholipid
13
Equilibrium is reached
at the end of active transport.
when particles are evenly distributed through the space.
when movement of particles stops.
only during passive transport.
14
What kind of solution is the red blood cell in the middle in?
isotonic
hypotonic
hypertonic
hydroponic
15
What kind of solution is the red blood cell on the left in?
hydroponic
isotonic
hypotonic
hypertonic
16
Hydrophilic...
Water Fearing
phospholipid heads
phospholipid tails
Water Loving
17
What kind of transport doesn't require the use of energy to move materials across the membrane?
osmosis
diffusion
facilitated diffusion
all of these don't require the cell to use energy
18
Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution
isotonic
hypotonic
hypertonic
hydroponic
19
Passive transport
moves particles from a high to a low concentration.
moves particles against a concentration gradient.
requires energy.
doesn't require energy.
20
The solute mixed with a solvent like water is called _______________________
solute
solvent
suspension
solution
21
Movement of particles from an area of high concentration to an area of lower concentration is:
equilibrium
diffusion
endocytosis
osmosis
22
"A" is
cholesterol
a protein
a nonpolar fatty acid
a polar phosphate
23
__________ is the diffusion of water through a semipermeable membrane.
exocytosis
osmosis
active transport
facilitated diffusion
24
Which of these is selectively permeable?
a window screen
a cell membrane
a strainer
all of these are selectively permeable
