structure of muscle fibre

Question 1

sarcoplasm

Answer 1

cytoplasm of muscle cell

Question 2

sarcolemma

Answer 2

plasma membrane of muscle fibre

Question 3

sarcomere

Answer 3

longitudinally, repeating functional unit of skeletal muscle with all of the contractile and associated proteins involved in CONTRACTION

Question 4

muscle fibre

Answer 4

single muscle cell

Question 5

sarcoplasmic reticulum

Answer 5

specialised smooth endoplasmic reticulum which stores, releases and retrieves calcium