Locomotion-And-Movement Question 88
Question: Which one of the following shortens when a muscle fibre- contracts?
Options:
A) Thick filament
B) Sarcomere
C) Myosin molecule
D) thin filament
Show Answer
Answer:
Correct Answer: B
Solution:
[b] The sarcomere is the functional unit of muscle.
As actin myofilaments slide over myosin, the sarcomere shortens, but not the individual components that make up the sarcomere.
BETA
