AnswersTX-Biology A-ACC RISD QuestCell Differentiation and Specialization

Cell Differentiation and Specialization Answers

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1
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Which series lists the stages of development in the gestational process in order, from beginning to end?

A
gametes ® embryo ® zygote ® fetus ® organism
B
gametes ® zygote ® embryo ® fetus ® organism
C
embryo ® gametes ® zygote ® fetus ® organism
D
zygote ® gametes ® embryo ® fetus ® organism
2
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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.
3

Which cells are considered immortal?

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

Which cell is unspecialized?

A
blood cell
B
stem cell
C
epithelial cell
D
gamete
5

Living organisms respond to changes in environmental conditions such as temperature. Which lists the correct order in which body structures would respond to such a change?

A
tissue, cell, organ, organ system, organism
B
tissue, cell, organ system, organ, organism
C
cell, tissue, organ, organ system, organism
D
cell, tissue, organ system, organ, organism
6

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
7

Gene expression within the body is controlled by the cells, which determine when a specific gene should or should not be expressed. Influenza (the flu) is caused by a virus that attacks the respiratory system. Which type of gene is likely to be widely expressed in the body of someone who contracts the influenza virus?

A
The gene that controls production of stem cells.
B
The gene that controls production of skin cells.
C
The gene that controls production of red blood cells.
D
The gene that controls production of white blood cells.
8

Which of these pairings is incorrect?

A
blood cells, components of blood
B
neurons, conduct electrical impulses
C
epithelial cells, react to stimuli
D
muscle cells, elongated cells that can contract
10

Which type of cell is capable of self-renewal?

A
stem cell
B
blood cell
C
muscle cell
D
neuron

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