Unit Test — Unit test Answers

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Which is the first type of cell to differentiate?

A
neuron
B
epithelial cell
C
muscle cell
D
blood cell
2
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What is the maximum magnification of most classroom compound light microscopes?

A
100x
B
500x
C
1,000x
D
5,000x
3

Smooth muscle, which is a tissue made up of a type of specialized muscle cell, functions in which process?

A
food digestion
B
skeletal movement
C
pumping of blood
D
heart contraction
4

Which best describes stem cells?

A
Differentiation produces specialized cells from stem cells.
B
Self-renewal produces specialized cells from differentiated cells.
C
Self-renewal produces differentiated cells from stem cells.
D
Differentiation produces stem cells from specialized cells.
5

Consider the virus that has a complex shape. Which organism does this virus infect?

Question illustration
A
animals
B
bacteria
C
plants
D
fungi
6

Which structure allows a virus to recognize and attach to receptors on the host cell?

A
cell wall
B
capsid protein
C
cell membrane
D
nucleic acid
7

Which is abiotic?

A
tree sap
B
insect
C
sunlight
D
tree stump
8

Which refers to the maintenance of a stable internal environment despite changing external conditions?

A
differentiation
B
self-renewal
C
homeostasis
D
specialization
9

Which best relates cells and viruses?

A
Viruses grow and reproduce like cells.
B
Cells can infect specific host viruses.
C
RNA is found in cells, but not in viruses.
D
Viruses can infect certain cells.

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