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