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Bond [772]
3 years ago
9

The cross bridge cycle starts when _________.A) ATP binds to troponin and is hydrolyzed to ADP and PiB) Acetylcholine diffuses a

way from the synaptic cleftC) Ca2+ is actively transported into the sarcoplasmic reticulumD) Ca2+ from the sarcoplasmic reticulum binds to tropomyosinE) Ca2+ from the sarcoplasmic reticulum binds to troponin
Biology
1 answer:
Genrish500 [490]3 years ago
6 0

Answer:

E) Ca2+ from the sarcoplasmic reticulum binds to troponin

Explanation:

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