<span>Cross bridges are created when myosin heads bind to ATP. This phenomenon is basically muscle contraction at work. In order for myosin heads to be bound with ATP at the actin active site, it must be excited with Calcium.
Once myosin heads bind with ATP, it begins to slide and perform muscle contractions in the body, allowing a person to move.</span>
Maintain homeostasis - eg. blood sugar control by insulin and glucagon.<span>
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<span>In a way, the process of primordial germ line isolation encourages / supports abortions. I feel that, those who choose to terminate their pregnancies under their own consent are going to do so regardless of how their undeveloped baby is going to be utilized after the face. The process of primordial germ line isolation merely utilizes what otherwise would be waste</span>
<span>The answer is A.
Invasive species are species that thrive unregulated
in an introduced environment/ habitat and
affect the biodiversity of the environment.
They boom unchecked mostly due to lack of a natural predator. Therefore, introducing
a predator will limit their growth. </span>
