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Cell Differentiation and Specialization Answers

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Which type of cell lines the cavities and surfaces of blood vessels and organs?

A
neuron
B
epithelial cell
C
muscle cell
D
blood cell
2
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Which process makes it possible for all the major organs of the body to be formed by week 10 of human development?

A
growth
B
fertilization
C
self-renewal
D
differentiation
3

Which of these definitions have been paired with the correct type of cell?

A
Blood cells are elongated cells that can contract.
B
Neurons are cells that conduct electrical impulses.
C
Epithelial cells are cells that carry oxygen through the body.
D
Muscle cells are components of blood.
4

What role do red blood cells play in the human body?

A
They protect against injury.
B
They protect against disease-carrying microorganisms.
C
They transport oxygen throughout the body.
D
They aid in blood clotting.
5

What role do white blood cells perform in a human body?

A
protect against pathogens
B
conducting electrical impulses
C
secreting enzymes
D
carrying oxygen
6

Cell differentiation depends on changes in expression.

Answer not available
7

Scientists study salamanders and their ability to regenerate lost legs and tails. What additional information is essential for scientists to understand in order to apply this ability to humans who have lost limbs?

A
how quickly the body parts regenerate
B
how similar salamanders are to humans
C
which body parts are most often lost
D
which genes control regeneration
8

Which type of cell can duplicate indefinitely?

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

Which are sources of adult stem cells? Select three options.

A
bone marrow
B
amniotic fluid
C
brain
D
gametes
E
liver
F
embryo

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