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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
25 cards
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Practice quiz
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Questions
25
Answers
1
Which of these is selectively permeable?
a window screen
a strainer
a cell membrane
all of these are selectively permeable
2
Equilibrium is reached
at the end of active transport.
when movement of particles stops.
when particles are evenly distributed through the space.
only during passive transport.
3
A cell is in a ____solution when: size doesn't change; water goes in and out at the same rate
isotonic
hydroponic
hypertonic
hypotonic
4
Water leaves, cell shrinks; higher solute concentration outside cell than inside = ? solution
hypotonic
isotonic
hypertonic
hydroponic
5
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.
6
Requires energy; vacuole fuses with membrane, contents forced out of cell = ?
endocytosis
phagocytosis
pinocytosis
exocytosis
7
What kind of transport doesn't require the use of energy to move materials across the membrane?
osmosis
all of these don't require the cell to use energy
diffusion
facilitated diffusion
8
What is structure "D"?
a phospholipid
a protein
a glucose molecule
cholesterol
9
Passive transport
moves particles against a concentration gradient.
doesn't require energy.
requires energy.
moves particles from a high to a low concentration.
10
The basic structure of the cell membrane is
made of proteins.
impermeable.
a phospholipid bilayer.
a liquid bilayer.
11
"A" is
a polar phosphate
a protein
a nonpolar fatty acid
cholesterol
12
What kind of solution is the red blood cell in the middle in?
hypotonic
hypertonic
hydroponic
isotonic
13
Requires energy; materials enter pockets in cell membrane, then forms vacuole in cytoplasm = ?
exocytosis
endocytosis
phagocytosis
pinocytosis
14
What term is used to describe the cell membrne structure?
Lipid Layer
Protein Layers
Fatty Acid Layers
Lipid Bilayer
15
What kind of solution is the red blood cell on the left in?
hypotonic
hypertonic
isotonic
hydroponic
16
What kind of solution is the red blood cell on the right in?
hydroponic
hypotonic
isotonic
hypertonic
17
Another name for the cell membrane is
the nuclear membrane
the cell wall
the plasma membrane
the endocytic barrier
18
What is concentration?
the density of a substance
the weight of a substance
the amount of mass something has
amount of things in a given area
19
Water enters, cell swells; lower solute concentration outside the cell than inside = __solution
isotonic
hypotonic
hypertonic
hydroponic
20
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
21
The stuff that is dissolved is the _________.
solute
suspension
solution
solvent
22
Movement of particles from an area of high concentration to an area of lower concentration is:
osmosis
endocytosis
equilibrium
diffusion
23
What molecules are imbedded in the bilayer?
glucose
proteins
ribosomes
nucleic acids
24
__________ is the diffusion of water through a semipermeable membrane.
active transport
exocytosis
osmosis
facilitated diffusion
25
The stuff that does the dissolving is the __________.
suspension
solvent
solute
solution
