Calcium ions are binding to troponin during the ________ of a muscle twitch.
a) latent period
b) contraction phase
c) relaxation phase
d) recovery phase
e) both A and B
Answer: E
Calcium ions are binding to troponin during the ________ of a muscle twitch.
a) latent period
b) contraction phase
c) relaxation phase
d) recovery phase
e) both A and B