A) sarcoplasm
B) sarcomere
C) neuromere
D) metamere
Correct Answer: A
Solution :
Each striated muscle fiber is a long unbranched cylindrical structure. It is surrounded by a covering, called sarcolemma (comperable to plasma membrane). The protoplasmic segment, which contains numerous nuclei (multinucleate) mitochondria and sarcoplasmic reticulum etc., is known as sarcoplasm.
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