1.
Plant cells have one big____ used for storage, but animal cells have lots of small ones.
A. 
B. 
C. 
D. 
2.
Which description best fits the cell membrane?
A. 
B. 
C. 
D. 
3.
Having many ribosomes attached to it, this organelle produces proteins as well as other substances and then transports them to other parts of the cell
4.
"Fluid mosaic model" is a term used to describe the
5.
These openings in the nuclear envelope allow substances to enter and leave the nucleus
6.
This structure, not found in animal cells, provides strength for plant cells and is found outside the plasma membrane
7.
The process by which substances pass through the cell membrane without expending energy is called:
A. 
B. 
C. 
D. 
8.
The process by which substances move from regions of high concentration to regions of low concentration is called:
A. 
B. 
C. 
D. 
9.
The movement of water through a selectively peremeable membrane is known as:
A. 
B. 
C. 
D. 
10.
The site where ribosomes are assembled is the:
A. 
B. 
C. 
D. 
11.
Because bacteria do not contain nuclei, they are known as:
A. 
B. 
C. 
D. 
12.
Which structure would a cell that is active in protein synthesis contain?
A. 
B. 
C. 
D. 
13.
Which structures would be found in a maple tree cell but not a human cell?
A. 
B. 
Chloroplasts and cell walls
C. 
Ribosomes and cell membranes
D. 
Nuclei and cell membranes
14.
Which plant organelle stores water?
A. 
B. 
C. 
D. 
15.
Water has an important stabilizing effect on temperature in living organisms and their environments because as water absorbs heat, much of the energy is used to ____________ instead of raising the temperature.
A. 
B. 
C. 
D. 
E. 
16.
Reactions that use the equivalent of a water molecule to break a molecule into smaller subunits are called
A. 
B. 
C. 
D. 
E. 
Dehydration synthesis reactions
17.
Which of these terms is most inclusive?
A. 
B. 
C. 
D. 
E. 
18.
Which functional group is polar, consists of oxygen and hydrogen, and is a key component of alcohols?
A. 
B. 
C. 
D. 
E. 
19.
Which functional group is found in all proteins?
A. 
B. 
C. 
D. 
20.
Which functional group is responsible for the coiled shape of DNA?
A. 
B. 
C. 
D. 
E. 
21.
What kinds of reactions remove the equivalent of a water molecule when subunits are joined to make a larger molecule?
A. 
B. 
C. 
D. 
E. 
Dehydration synthesis reactions
22.
Although they have a diversity of structures, all members of this group of organic molecules are primarily nonpolar and thus water-insoluble.
A. 
B. 
C. 
D. 
E. 
23.
What organic molecules have a chemical formula that is (or is very nearly) a multiple of 1 Carbon atom to 1 Water molecule?
A. 
B. 
C. 
D. 
E. 
24.
What kind of molecules are monosaccharides and disaccharides?
A. 
B. 
C. 
D. 
E. 
25.
Which group of organic molecules are held together with peptide bonds?
A. 
B. 
C. 
D. 
E.