AnswersBiologyCell Structure and Function

Practice Test Answers

10 verified answers
4

Which organelles are not found in plant cells?

A
centrioles
B
mitochondria
C
chloroplasts
D
vacuoles
6

Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts, and the second cell has very few. What would most likely characterize these cells?

A
The second cell would shrink because it would not be able to store water and maintain cell shape.
B
There would be no difference between the functioning of the cells because the chloroplasts are not essential cell structures.
C
The second cell would become larger because it would have fewer chloroplasts regulating its size and shape.
D
The second cell would not be able to produce as much food because it could not capture very much sunlight.
7

Which microscope uses a probe to map atoms on the surface of a specimen?

A
compound light microscope
B
scanning electron microscope
C
scanning tunneling microscope
D
transmission electron microscope
8

Which homeostatic process is characterized by the diffusion of only water molecules?

A
osmosis
B
active transport
C
dynamic equilibrium
D
passive transport
9

Which is a function of the cell membrane?

A
provides energy to the cell
B
controls what enters and leaves the cell
C
produces proteins
D
performs photosynthesis

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