Answer:
I'm supposed to know this, but, what do u mean?
Explanation:
I'm new to this app...
The microscope made the discovery of cells possible
Blood vessels in the ear dilate or constrict to help regulate body temperature.
If the DNA strand is mutated it can cause genetical and physical defects.
<span>Just as an extra chromosome can cause Trisomy 21 which cause Down Syndrome.</span>
The cell is eukaryotic because it contains mitochondria.
Prokaryotes are simpler in nature and do not contain more complex organelles such as mitochondria.
