Multiple Choice
Match each description to its correct term.
-threadlike protein structures consisting of contractile units arranged end to end; comprises the bulk of the muscle fiber
A) Z line
B) ATP
C) mitochondria
D) actin
E) sarcomeres
F) phosphate group
G) myofibrils
H) smooth muscle
I) thick filaments
J) myosin
K) Sphincter
Correct Answer:

Verified
Correct Answer:
Verified
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