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