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