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Unit 3, Lecture 1 Microstructure Review

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Last updated over 4 years ago
20 questions
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Question 1
1.

The many tubes that fill a muscle fiber, and themselves are made up of long strands of protein filaments

Question 2
2.

These make the striations as you can see in the image shown. They are made up of actin.

Question 3
3.

The many dots shown in each muscle fiber below....

Question 4
4.

The thin filament is called

Question 5
5.

The thick filament is called

Question 6
6.

The net of channels regulate calcium ions for a muscle contraction

Question 7
7.

Contracting units of a muscle made up of actin and myosin, that extend from Z-line to Z-line.

Question 8
8.

The cell membrane wrapping a muscle fiber.

Question 9
9.

The fluid space surrounding the myofibrils and other organelles in the muscle fiber.

Question 10
10.

Select the two proteins that make up myofibrils.

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Question 11
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Question 12
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Question 13
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Question 14
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Question 15
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Question 16
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Question 17
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Question 18
18.

The thin protein filament is called?

Question 19
19.
Question 20
20.