Biology
INCLUDEPICTURE “../images/lab007banner02.jpg” \* MERGEFORMAT Experiment 2: The Neuromuscular Junction Each skeletal muscle is connected to the nervous system be motor end units. When the neurotransmitter acetylcholine is release at this site, the muscle fiber depolarizes. Calcium ions are released from stores in the sarcoplasmic reticulum. The presence of Ca2+ triggers the ratcheting of […]