The answer is C hope this helps!
Answer:
The structures that are responsible for the movement of chromosomes to the center of the cell in metaphase is the spindle fibers, the cell attaches the centromeres to the spindle fibers to pull the sister chromatids to the center
In anaphase the sister chromatids are separated at the centromere and are pulled to the opposite poles of the cell by the spindle fibers
Explanation:
Answer:
A tumor. This happens when one of the cells begins to grow or multiply to much.
Explanation:
Answer:
Stimulation of Islet cells...
Explanation:
These are the cells of pancreas that get stimulated even by a slight abnormal change in blood glucose levels. The insulin is produced if blood glucose get too high and glucagon is produced if its too low. Both of these are crucial hormones for proper management of glucose in blood and work together by feedback mechanism of secretion control.
<span>C. Single events or several causes working together to produce extinction in a short period is referred to as mass extinction.
Example:
</span>Destruction of forests, mountains, and bodies of water to satisfy human needs result to the imbalance of nature which also give rise to global warming.
<span>Animals and plants have lost their habitats. They lost their means to live. They lost their food sources and they suffer and die because of humans irresponsible acts.</span>
