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