All cells are similar in composition and metabolic activities.
Gene mutations that result in cancer often cause the cells to divide uncontrollably. When too many cells are made to quickly it develops into a tumor which usually leads to cancer.<span />
Answer:
im not too sure, but i think it is either C or D.
Explanation:
They do not have lungs. They have gills tat help them get the oxygen out of the water around them.
The answer is, "It has membrane-bound organelles."