Question
Biology Question on Skeletal System
The contractile element present in a striated muscle fibril, between two successive Z-lines, is called
A
sarcomere
B
sarcoplasm
C
sarcosomes
D
all of these
Answer
sarcomere
Explanation
Solution
Sarcomere is a contractile element in a striated muscle fibril (myofibril). Each sarcomere is joined to the next one by Krause?? membrane (Z-line).