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Unit 3, Lecture 1 Microstructure Review
By Jennifer Lifsitz
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The many tubes that fill a muscle fiber, and themselves are made up of long strands of protein filaments
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
These make the striations as you can see in the image shown. They are made up of actin.
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
The many dots shown in each muscle fiber below....
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
The thin filament is called
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
The thick filament is called
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
The net of channels regulate calcium ions for a muscle contraction
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
Contracting units of a muscle made up of actin and myosin, that extend from Z-line to Z-line.
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
The cell membrane wrapping a muscle fiber.
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
The fluid space surrounding the myofibrils and other organelles in the muscle fiber.
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
Select the two proteins that make up myofibrils.
Myofibril
Actin
Myosin
Z- Line
Sarcomere
T-Tubules
Sarcoplasmic Reticulum
Sarcoplasm
Sarcolemma
Nuclei
Question 11
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Question 12
12.
Question 13
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Question 14
14.
Question 15
15.
Question 16
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Question 17
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Question 18
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Question 19
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Question 20
20.
Z-line
T-Tubules
Blood Vessels
Fascicle
Muscle fiber
Sarcolemma
Nuclei
Myofibril
Actin
Sarcomere
Sarcoplasm
Sarcoplasmic Reticulum
Myosin
Z-line
Myosin
Sarcoplasmic Reticulum
Nuclei
T-Tubules
Blood Vessels
Sarcomere
Myofibril
Sarcolemma
Fascicle
Sarcoplasm
Muscle fiber
Actin
Sarcoplasm
Z-line
Blood Vessels
Sarcomere
Nuclei
Fascicle
Muscle fiber
Sarcolemma
Sarcoplasmic Reticulum
Actin
Myofibril
Myosin
T-Tubules
Sarcoplasmic Reticulum
Myofibril
Myosin
Sarcoplasm
Actin
Nuclei
Fascicle
Blood Vessels
Sarcomere
Muscle fiber
Sarcolemma
T-Tubules
Z-line
Sarcomere
Sarcoplasmic Reticulum
Actin
Sarcolemma
Blood Vessels
Myofibril
T-Tubules
Sarcoplasm
Nuclei
Myosin
Z-line
Fascicle
Muscle fiber
Blood Vessels
Sarcolemma
Myofibril
T-Tubules
Sarcoplasmic Reticulum
Myosin
Muscle fiber
Fascicle
Sarcoplasm
Z-line
Sarcomere
Actin
Nuclei
Actin
Muscle fiber
Blood Vessels
Nuclei
Sarcomere
T-Tubules
Sarcoplasm
Fascicle
Myosin
Myofibril
Z-line
Sarcolemma
Sarcoplasmic Reticulum
The thin protein filament is called?
Sarcoplasm
Fascicle
Muscle fiber
Z-line
Sarcoplasmic Reticulum
T-Tubules
Actin
Blood Vessels
Nuclei
Myosin
Sarcomere
Sarcolemma
Myofibril
T-Tubules
Actin
Sarcolemma
Fascicle
Muscle fiber
Z-line
Sarcoplasm
Blood Vessels
Sarcomere
Myofibril
Nuclei
Sarcoplasmic Reticulum
Myosin
Myosin
Fascicle
T-Tubules
Sarcomere
Actin
Blood Vessels
Sarcoplasmic Reticulum
Muscle fiber
Nuclei
Myofibril
Sarcolemma
Sarcoplasm
Z-line
