I. Key Terms: Matching
Match each term on the left with the most appropriate description on the right.
1.
___
polysome
2.
___
pinocytosis
3.
___
exocytosis
4.
___
plastid
5.
___
Golgi complex
6.
___
flagella
7.
___
phagocytosis
8.
___
lysosome
9.
___
basal body
10.
___
chemotactic
11.
___
nucleus
12.
___
vacuole
13.
___
ribosome
14.
___
cytoskeleton
15.
___
mitochondrion
a.
protein synthesis
b.
baglike structure
c.
power generator
d.
where flagella grow
e.
toward
or
away
from
a
chemical
stimulus
f.
engulfment
g.
RNA and ribosomes
h.
weblike
i.
in plants only
j.
control room
k.
expel
l.
vacant
m.
whiplike
n.
cell drinking
o.
packaging
鈪?/p>
. True or false
1.
____ The DNA of prokaryotic cells is concentrated in the nucleus.
2.
____ Ribosomes are derived from the nucleoli.
3.
____ Unlike other cell membranes, the nuclear envelope has no pores.
4.
____ The smooth endoplasmic reticulum is held in place by the cytoskeleton.
5.
____ Structural proteins are exportable.
6.
____The nuclear envelope is produced by the tough endoplasmic reticulum.
7.
____ Most cellular proteins are manufactured on ribosomes.
8.
____ White blood cells work by microbodies.
9.
____ Prokaryotic cells have microbodies.
10.
____ Mitochondria are self-replicating.
11.
____ Pinocytosis describes the intake of fluid into a cell by a cacuole.
12.
____ Both prokaryotic and eukaryotic cells have a supporting cytoskeleton.
13.
____ Carotenoids are colorless molecules.
14.
____ Grana are surrounded by stomata.
鈪?/p>
. Completion:
1.
Phagocytosis is a method of cell feeding that first requires that the food be ________.
2.
The ________ packages some fifty hydrolytic enzymes in ________.
3.
________
are
lysosome-like
vesicles
containing
waste
products.
They
are
thought
to
be
involved with cell ________.
4.
Both ________ and ________ are thought to have arisen from endosymbiosis.
5.
the cytoskeleton is composed of very fine ________, medium ________and larger ________.
6.
Creeping and gliding cell movements are usually ________-dependent.
7.
________ behavior is shown when a cell moves toward or away from a chemical substances.