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Homeostasis
Homeostasis
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Covers the basics about cell membranes and cell transport. Made for grade 10 Biology.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Cellular transport that requires energy and involves bulk materials entering the cell...
Facilitated diffusion
Passive transport
Endocytosis
Exocytosis
2
Which of the following is not a key factor in diffusion?
Temperature
Shape
Pressure
Size
3
Movement of particles from an area of high concentration to an area of lower concentration...
Diffusion
Osmosis
Equilibrium
Endocytosis
4
The primary function of the cell membrane is...
to control what moves in and out of the cell.
to protect the cell.
to provide support for the cell.
cell signaling.
5
What is the molecules labeled "D" in the diagram below?
Protein
Glucose
Ribosomes
Nucleic acid
6
Diffusion, osmosis, and passive transport cause molecules to move in response to a(n)...
electrical force.
need for the molecule.
input of cellular energy.
concentration gradient.
7
"A" in the diagram below is...
cholesterol.
Water
a phospholipid
a protein.
8
Increasing temperature will...
increase the rate of diffusion.
have no effect on the rate of diffusion.
decrease the rate of diffusion
9
The basic structure of the cell membrane is...
a liquid bilayer.
an impermeable layer.
a phospholipid bilayer.
made of proteins.
10
What type of transport does NOT require energy to move materials across the membrane?
Osmosis
Facilitated diffusion
All are correct
Diffusion
11
Which of the following is not a type of mixture?
colloid
suspension
compound
solution
12
A substance that repels water would be considered what?
Hydrophillic
Hydrophobic
Magnetic
Covalent
13
Which is a good example of a solute?
Salt
Oil
Milk
Water
14
A salad is an example of what?
Mixture
Colloid
Suspension
Compound
15
What kind of solution is shown in the diagram below?
Isotonic
Hypotonic
Hydroponic
Hypertonic
16
Passive transport...
doesn't require energy.
moves particles from a low to a high concentration.
moves particles against a concentration gradient.
requires energy.
17
Active transport...
requires energy.
moves materials against a concentration gradient.
is usually done by transport proteins in the cell membrane.
all of the answers are correct.
18
This is something that is dissolved in a solution
solute
solution
suspension
solvent
19
__________ is the diffusion of water through a semipermeable membrane.
Osmosis
Exocytosis
Active transport
Facilitated diffusion
20
Why were the potatoes and celery that were placed in saltwater have a rubbery feel?
The moisture made it soggy
Cell walls broke down
Water entered the cells
evaporation
21
When a plant cell loses water, this is called what?
Facilitated Diffusion
Turgor Pressure
Plasmolysis
Cytolysis
22
What type of solution is shown in the diagram below?
Hypotonic
Hydroponic
Hypertonic
Isotonic
23
Movement of molecules across a membrane, from H to L concentration, through a membrane protein.
Facilitated diffusion
Diffusion
Endocytosis
Active transport
24
Transport that requires energy and occurs when particles leave the cell
Diffusion
Exocytosis
Endocytosis
Passive transport
25
What kind of solution is shown in the diagram below?
Isotonic
Hydroponic
Hypertonic
Hypotonic
26
Another name for the cell membrane is...
the cell wall.
the endocytic barrier.
the plasma membrane.
the nuclear membrane.
27
Why did we soak our eggs in vinegar before putting them in solution?
To see if water would go out
To make the room smell good
To get rid of the shell
To see if water would go in
28
Water loving molecules are called what?
Ionic
Hydrophillic
Covalent
Hydrophobic
29
Equilibrium is reached...
at the end of active transport.
only during passive transport.
when particles are evenly distributed through the space.
when movement of particles stops.
30
Organisms that change their internal compositions to match that of the outside are called what?
Osmoconformers
Osmoregulators
Diffusors
Concentrators
