AnswersMO-Biology AProkaryotic and Eukaryotic Cells

Prokaryotic and Eukaryotic Cells — Unit test Answers

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1
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Which cells are considered immortal?

A
neurons
B
blood cells
C
cardiac muscle cells
D
stem cells
2
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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
3

Which type of cell is capable of self-renewal?

A
stem cell
B
blood cell
C
muscle cell
D
neuron
4

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.
5

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.
6

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
7

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
8

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
9

Which statement best describes embryonic stem cells?

A
Embryonic stem cells are capable of self-renewal only.
B
Embryonic stem cells are capable of differentiation only.
C
Embryonic stem cells are capable of self-renewal and limited differentiation.
D
Embryonic stem cells are capable of self-renewal and unlimited differentiation.
10

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

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