In 1665, Robert Hooke observed a piece of cork under his microscope.
Cork is made of the bark of a tree, which means that the cell he found was a plant cell, therefore an eukaryotic cell.
Hope it helped,
BioTeacher101
Group 13 is the boron group and these are all +3.
<span>I would see x-rays, ultraviolet rays, and radio waves if my vision were “better.”</span>
Answer:
The sodium–potassium pump is found in many cell (plasma) membranes. Powered by ATP, the pump moves sodium and potassium ions in opposite directions, each against its concentration gradient. In a single cycle of the pump, three sodium ions are extruded from and two potassium ions are imported into the cell