Answer:
Troponin and calcium ions.
Explanation:
Troponin is a component of thin filament along with tropomyosin and actin. It is a protein complex to which calcium binds and start the production of muscular force.
Calcium also playing a very important role in muscle contractions, it binds with troponin and helping to move tropomyosin.
When calcium ion attached to troponin, then conformational changes occurs in troponin shape and moves which allow tropomyosin going away from its inhibitory position from the myosin-binding sites on actin. After this, the energized myosin head starts binding to the actin molecules and starts the cross bridge cycle, which helping in shortening the muscle's fiber.
The nurse should anticipate with the child that has type 1
diabetes that the child couldn’t provide diabetic care to self as he is still
young, it is best to assist the child into providing diabetic medication. It is
best to manage the child and make sure to be gentle when applying treatment for
children are sensitive in situations involving medicinal treatment.
Depolarization and repolarization are part of the action potential.
C. Action potential
The answer would be : a. angiosperms.
Source : https://en.wikipedia.org/wiki/Flowering_plant
Hope this helps !
Photon
