Answer:
<h2><u>Mitral </u><u>Valve</u></h2>
- <u>Mitral valve</u>, between the left atrium and left ventricle
<span>Cell division has two checkpoints namely, G1 checkpoint and spindle assembly checkpoint. The checkpoint which determines if division has properly occurred is the G1 checkpoint. At this point, is a damage in the DNA is detected or the has not reach the optimum size, the cell is stopped in G1 and is not allowed to proceed to further process.</span>
