Answer:
B.
Explanation:
Osmosis occurs.
Water moves from region of higher concentration to region of lower concentration.
In this case from cell to the enviroment.
The cytochrome oxidase test is used primarily for the identification of GRAM NEGATIVE ORGANISM.
The oxidase test is used to identify bacteria which synthesize cytochrome C oxidase enzyme, which is an enzyme of the bacterial electron transport chain.
Answer:
A simple microscope
Explanation:
Because it only has a single lens
I believe heterotrophs are organisms that get their energy by eating other organisms. These organisms are also called predators