Question

Repeating contractile units that make up a myofibril are called ________. Select one: a. neuromuscular junctions b. muscle fibers c. triads d. sarcomeres The fact that Nissi Bodies are not found in axons contributes to the very slow regeneration and repair time of axons. Select one: True False

          Repeating contractile units that make up a myofibril are called ________.
Select one:
a. neuromuscular junctions
b. muscle fibers
c. triads
d. sarcomeres
The fact that Nissi Bodies are not found in axons contributes to the very slow regeneration and repair time of axons.
Select one:
True
False

Repeating contractile units that make up a myofibril are called .
Select one:
a. neuromuscular junctions
b. muscle fibers
c. triads
d. sarcomeres
The fact that Nissi Bodies are not found in axons contributes to the very slow regeneration and repair time of axons.
Select one:
True
False

Added by Daniel P.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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Solved by Expert Maryam Riaz

Step 1

Repeating contractile units that make up a myofibril are called sarcomeres. This statement is correct. Sarcomeres are the basic functional units of muscle fibers and are responsible for muscle contraction. Show more…

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Repeating contractile units that make up a myofibril are called sarcomeres. The fact that Nissl Bodies are not found in axons contributes to the very slow regeneration and repair time of axons.