AnswersPMHS Biology I Q2Cell Differentiation and Specialization

Cell Differentiation and Specialization Answers

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Athletes training at high altitudes adapt to air with lower oxygen levels than air at sea level. Which cells are most likely to increase in number as a result of this adaptation?

A
neurons
B
red blood cells
C
white blood cells
D
muscle cells
2
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What is a source of stem cells that has the characteristics of self-renewal and limited differentiation?

A
Embryonic cell
B
Somatic cell
C
Amniotic fluid
D
Heart muscle
3

Which cells are considered immortal?

A
neurons
B
blood cells
C
cardiac muscle cells
D
stem cells
4

All the major organs of the body are formed by week 10 of gestation. Which process makes this possible?

A
growth
B
fertilization
C
self-renewal
D
differentiation
5

When a disease-causing agent enters an organism, the immune system alerts which specialized cells?

A
red blood cells
B
epithelial cells
C
white blood cells
D
somatic stem cells
6

In the study of cancer, researchers have used different types of cells, different environmental conditions, and different experimental designs. However, all researchers have arrived at the same conclusion. Which conclusion is that?

A
Cancer cells stop dividing when they touch.
B
Cancer cells are specialized cells.
C
Cancer cells lack contact inhibition.
D
Cancer cells reproduce slowly.
7

Which best describes red blood cells?

A
They are colorless.
B
They protect against disease-carrying microorganisms.
C
They transport oxygen throughout the body.
D
They aid in blood clotting.
8

Which type of cell is capable of self-renewal?

A
stem cell
B
blood cell
C
muscle cell
D
neuron
9

Which cell is unspecialized?

A
blood cell
B
stem cell
C
epithelial cell
D
gamete
10

Which is a source of adult stem cells?

A
bone marrow
B
amniotic fluid
C
embryos
D
gametes

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