A. Kidneys are the organs in the urinary system that produce urine after breaking it down from food.
The main difference between a prokaryotic cell and a eukaryotic cell is that the prokaryotic cell have no true nucleus instead its genetic material is just suspended in its cytoplasm termed as nucleoid. The nucleus when viewed under the microscope is a membrane bound which is easily distingushable compared to the nucleoid.
Another distinguishing feature is that prokaryotic cells are usually smaller than eukaryotic cells.
I do not think this is a word.
It is not in the dictionary.
Because if they run out they will take a long time to remake themselves
