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