Answer:
E. bind to troponin which moves the tropomyosin
Explanation:
calcium ions bind to troponin, causing conformational changes in troponin that allow tropomyosin to move away from the myosin binding sites on actin. Once the tropomyosin is removed, a cross-bridge can form between actin and myosin, triggering contraction
The answer is F1 generation
A. Migration (birds migraye to warmer climates during colder months)
I am sure the answer is repel because human hair carries negative charges which mean they will repel because like things repel
