Vacuoles
Mitochondria
Chloroplasts
Cytoskeleton
Motor proteins
1.
Which of the following organelles is NOT defined by a membrane?
a. chloroplast
b. ribosome
c. endoplasmic reticulum
d. Golgi apparatus
e. lysosome
2. Which is NOT a characteristic of chloroplasts?
a.
b.
c.
d.
e.
a chloroplast has two membranes
chloroplasts are the site of ATP synthesis in plants
chloroplasts are found in eukaryotic cells
chloroplasts contain DNA and ribosomes
the inner space of the chloroplasts contain grana
3. Which structure is found in both autotrophs and heterotrophs?
a.
b.
c.
d.
e.
Mitochondria
Chloroplasts
Centrioles
Central vacuole
Cell wall
4. The plant cell's central vacuole
a.
b.
c.
d.
e.
provides the plant cell with support
stores nutrients and cellular waste products
contains toxic compounds as a means of self-protection
is a reservoir for water
all of the choices are correct
5. Without cristae…
a. The mitochondria would have a decreased rate of reactions that occur in the inner
membrane
b. The mitochondria would have an increased rate of reactions that occur in the inner
membrane
c. The matrix would have a larger volume
d. Two of the answers above are correct
e. None of the answers are correct
6. Which of the following is false?
a. Actin filaments are found within mucle cells
b. Microtubules radiate out from the centrosome
c. Intermediate filaments sometimes contain keratin
d. Motor molecules use microtubules as tracks
e. All of these statements are true
7. Actin filaments are
a.
b.
c.
d.
e.
also known as microtubules.
able to assemble and disassemble from component proteins.
found in the center of flagella and cilia.
intermediate in size between microtubules and microfilaments.
made of different kinds of components in different tissues.
8. The cells that line our respiratory tract, and one-celled paramecia both have these short hair-like
projections.
a.
b.
c.
d.
e.
9.
Flagella
Microfilaments
Centrioles
Cilia
Pili
Without myosin…
a.
b.
c.
d.
e.
Animal cells would be unable to synthesize proteins
Actin filaments would contract more efficiently
Microtubules would depolymerize
Cells could not metabolize ATP
Cell and organisms would have their movement negatively affected.
10. Microtubules are associated with ______.
a.
b.
c.
d.
e.
cilia
flagella
the nucleus
cell shape
all of the above