Posted by: Pdfprep
Post Date: November 3, 2020
What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle?
A . Calcium ions that bind to troponin
B . Calcium ions that bind to tropomyosin
C . Sodium ions that bind to troponin
D . Sodium ions that bind to tropomyosin
Answer: A