The answer is muscle cells. This is because they are responsible
for either voluntary movement (skeletal muscle) or involuntary movement (smooth muscle). This movement requires energy to
power the movement of the actin and myosin action
that is the core of every muscle. Each myosin has an ATP-binding site.
Mitochondria is the powerhouse of the animal cell
The correct answer is (b) <span>They can be directly observed.</span>
<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>