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Cell Membranes & Cell Transport
Cell Membranes & Cell Transport
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Covers the basics about cell membranes and cell transport. Made for grade 10 Biology.
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
What kind of solution is the red blood cell on the right in?
hypotonic
hydroponic
hypertonic
isotonic
2
What kind of solution is the red blood cell on the left in?
hypotonic
hydroponic
hypertonic
isotonic
3
What kind of transport doesn't require the use of energy to move materials across the membrane?
osmosis
facilitated diffusion
all of these don't require the cell to use energy
diffusion
4
Active transport
is usually done by transport proteins in the cell membrane
requires energy
all of the answers are correct
moves materials against a concentration gradient
5
What is concentration?
the density of a substance
amount of things in a given area
the amount of mass something has
the weight of a substance
6
The basic structure of the cell membrane is
made of proteins.
a liquid bilayer.
impermeable.
a phospholipid bilayer.
7
A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate
hypertonic
hydroponic
hypotonic
isotonic
8
Water enters, cell swells; lower solute concentration outside the cell than inside = __solution
hypotonic
hypertonic
hydroponic
isotonic
9
The primary function of the cell membrane is
to provide support for the cell.
to control what moves in and out of the cell.
to protect the cell
cell signaling.
10
What molecules are imbedded in the bilayer?
ribosomes
glucose
proteins
nucleic acids
11
Passive transport
moves particles against a concentration gradient.
requires energy.
doesn't require energy.
moves particles from a high to a low concentration.
12
__________ is the diffusion of water through a semipermeable membrane.
exocytosis
active transport
osmosis
facilitated diffusion
13
Which of these is selectively permeable?
all of these are selectively permeable
a strainer
a cell membrane
a window screen
14
What kind of solution is the red blood cell in the middle in?
isotonic
hypotonic
hypertonic
hydroponic
15
Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution
hypertonic
hydroponic
isotonic
hypotonic
16
Requires energy; vacuole fuses with membrane, contents forced out of cell = ?
endocytosis
exocytosis
pinocytosis
phagocytosis
17
Equilibrium is reached
when movement of particles stops.
only during passive transport.
at the end of active transport.
when particles are evenly distributed through the space.
18
Requires energy; materials enter pockets in cell membrane, then forms vacuole in cytoplasm = ?
exocytosis
endocytosis
phagocytosis
pinocytosis
19
Movement of particles from an area of high concentration to an area of lower concentration is:
endocytosis
equilibrium
osmosis
diffusion
20
The stuff that does the dissolving is the __________.
solvent
suspension
solution
solute
21
Another name for the cell membrane is
the plasma membrane
the cell wall
the nuclear membrane
the endocytic barrier
22
"A" is
cholesterol
a protein
a polar phosphate
a nonpolar fatty acid
23
What is structure "D"?
a glucose molecule
a protein
cholesterol
a phospholipid
24
The stuff that is dissolved is the _________.
suspension
solution
solute
solvent
