u06a06 Muscle Fiber Structures
Your LAST Name: *
Your answer
Period: *
Identify the numbered items in the image above. *
11 points
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11.
T-tubule
myosin
mitochondrion
actin
myofibril
z-disc
nucleus
sarcoplasmic reticulum
sarcoplasm
opening to T-tubule
sarcolemma
Choose the number of the above structures that is involved in regulating the internal Ca2+ levels? *
1 point
Your answer
How many myofibrils are depicted in this picture? *
1 point
Your answer
Which of the numbered items is involved in carrying the message to contract deep into the muscle fiber? *
1 point
Your answer
Which of the numbered items designates the beginning or the end of a sarcomere? *
1 point
Your answer
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