1. A molecule that is found on the surface of most cells
is responsible for communication between the cells.
This molecule is made up of long chains of amino acids
and is specific to each cell type. This molecule is a
A.
B.
C.
D.
lipid
carbohydrate
DNA strand
Protein
6. Which pH indicates a substance that is more basic
than a substance with a pH of 9?
a.
b.
c.
d.
7. Which of the following is a list of elements that make
up the structure of a carbohydrate?
2. Which statement best describes the function of a
lipid in a cell?
a.
b.
c.
d.
storing and transmitting heredity
forming part of biological membranes
forming amino acid chains
storing phosphorus
3. Which of the following factors is most likely to
affect the function of an enzyme?
A.
B.
C.
D.
catalysts
size of beaker
proteins
temperature
4. Which of the following statements best describes a
function of an enzyme?
A. All enzymes work on all substrates.
B. Enzymes are specialized proteins that serve
as catalysts.
C. Enzymes are carbohydrate-based molecules
in all cells.
D. The structure of enzymes is changed during
a chemical reaction.
5. Which of the following substances would show a
positive brown paper test for lipids?
A.
B.
C.
D.
apples
bacon
crackers
water
6
2
8
12
a.
b.
c.
d.
carbon, nitrogen, oxygen
hydrogen, carbon, oxygen
nitrogen, sulfur, oxygen
oxygen, carbon, phosphorus
8. Which of the following is a function of proteins?
a.
b.
c.
d.
storing energy
storing waste
growth and repair
breaking chemical bonds
9. Which of the following organic molecule tests is
correctly paired with its organic molecule?
a.
b.
c.
d.
proteins – brown paper
glucose – biuret
starch - iodine
lipid – benedicts
10. Which biomolecules store and transmit genetic
information?
a.
b.
c.
d.
carbohydrates
lipids
nucleic acids
proteins
11. Which of the following best describes the function
of carbohydrates?
a. They code for proteins.
b. They form biological membranes.
c. They provide a source of energy for an
organism.
d. They control reaction rates in a cell.
12. If an organism does not have membrane-bound
organelles, what is it called?
a.
b.
c.
d.
16. Which of the cell organelles labeled below helps
you determine if this is an animal cell or a plant cell?
simple
eukaryotic
prokaryotic
complex
13. Which organelle pictured is responsible for
transforming energy?
a.
b.
c.
d.
A.
B.
C.
D.
nucleus
cell wall
ribosomes
mitochondria
17. What is the function of the Golgi apparatus?
14. During the period from 1838-1855, German
scientists Matthias Schleiden, Theodor Schwann, and
Rudolph Virchow contributed greatly to the
understanding of plant and animal cells. Their cell
theory includes all of the following ideas except which
one?
A. All living things are made of cells.
B. Cells are the basic units of structure and
function of living things.
C. Cells come from pre-existing cells.
D. Viruses are not made of cells.
15. Prokaryotic and eukaryotic cells are distinguished
from each other by which of the following?
A. Prokaryotic cells include most cells, other
than bacteria, and lack a nucleus and
membrane-bound organelles.
B. Prokaryotic cells include mainly bacteria,
and lack a nucleus as well as membranebound organelles.
C. Prokaryotic cells include most cells, other
than bacteria, and contain a nucleus and
membrane-bound organelles.
D. Prokaryotic cells include mainly bacteria,
and contain a nucleus as well as membranebound organelles.
A.
B.
C.
D.
manufacture proteins
package and transport proteins
store proteins
break down proteins to release energy
18. A student identifies an unknown cell as being
eukaryotic. Which of the following did she most likely
identify in order to draw this conclusion?
A.
B.
C.
D.
nucleus
cell wall
chloroplasts
cell membrane
19. Which of the following best describes the function
of a ribosome?
A. making proteins
B. digesting lipids, carbohydrates and proteins
C. storing water, proteins, salts and
carbohydrates
D. providing structural support for the cell