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