Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Cell Test Review
Test Description: Chapter 6 Advanced Biology Review
Instructions: Answer all questions to get your test result.
1) Osmosis can be defined as
A
the diffusion of water.
B
passive transport.
C
active transport.
D
the diffusion of nonpolar molecules.
2) Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell is called
A
signal transduction.
B
inhibition.
C
competition.
D
selective permeability.
3) Small, nonpolar, hydrophobic molecules such as fatty acids
A
very slowly diffuse through a membrane's lipid bilayer.
B
easily pass through a membrane's lipid bilayer.
C
require transport proteins to pass through a membrane's lipid bilayer.
D
are actively transported across cell membranes.
4) The cholesterol associated with animal cell membranes
A
helps solidify the membranes when the room temperature is below freezing.
B
is an abnormality resulting from a diet high in cholesterol.
C
is attached to membrane proteins and extends into the watery environment surrounding the cell.
D
helps to stabilize the cell membrane at body temperature.
5) Membrane phospholipids
A
are able to drift about in the plasma membrane
B
have hydrophobic heads that face the center of the membrane and are shielded from water.
C
have hydrophilic tails that face outward and are exposed to water.
D
remain fluid because they are tightly packed against one another.
6) Which of the following statements regarding enzymes is true?
A
Enzymes catalyze specific reactions.
B
Enzymes are inorganic.
C
All enzymes depend on protein cofactors to function.
D
An enzyme's function is unaffected by changes in pH.
7) In a hypotonic solution, an animal cell will
A
neither gain nor lose water.
B
lyse.
C
shrivel.
D
experience turgor.
8) A plant cell in a hypotonic solution
A
bursts because of an inflow of water.
B
shrivels because of an outflow of water.
C
wilts because of an outflow of water.
D
becomes turgid because of an inflow of water.
9) Facilitated diffusion across a biological membrane requires ________ and moves a substance ________ its concentration gradient.
A
transport proteins . . . down
B
energy and transport proteins . . . down
C
transport proteins . . . against
D
energy and transport proteins . . . against
10) The transfer of a phosphate group to a molecule or compound is called
A
ionization.
B
hydrogenation.
C
carboxylation.
D
phosphorylation.
11) The active site of an enzyme is
A
the region of a substrate that is changed by an enzyme.
B
the highly changeable portion of an enzyme that adapts to fit the substrates of various reactions.
C
the region of an enzyme that attaches to a substrate.
D
the region of a product that detaches from the enzyme.
12) Aquaporins
A
allow for the active transport of water.
B
allow water to cross the plasma membrane via facilitated diffusion.
C
allow water to cross the plasma membrane against its concentration gradient.
D
are found in all cells.
13) The process of a white blood cell engulfing a bacterium is
A
pinocytosis.
B
receptor-mediated endocytosis.
C
phagocytosis.
D
osmosis.
14) Which of the following examples is classified as a metabolic pathway?
A
cell lysis
B
protein synthesis
C
passive diffusion
D
osmosis
15) What is the basic difference between exergonic and endergonic reactions?
A
Exergonic reactions involve ionic bonds; endergonic reactions involve covalent bonds.
B
In exergonic reactions the reactants have less chemical energy than the products in endergonic reactions the opposite is true
C
Exergonic reactions involve the breaking of bonds; endergonic reactions involve the formation of bonds.
D
Exergonic reactions release energy; endergonic reactions absorb it.
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?