Bacterial cell membranes do not have cholesterol. The principal function of the cell membrane is to regulate the substances that enter the cell and the substances that move out of the cell. Cholesterol is a fat like substance that is found in all human cells; it is an important constituent of the cell membrane and it enhances the fluidity of the cell. Bacterial have plasma membrane but the membrane do not contain cholesterol.
Answer:
Mold fossils A fossilized impression made in the substrate; a negative image of the organism.
Cast fossils Formed when a mold is filled in.
Trace fossils or Ichnofossils Fossilized nests, gastroliths, burrows, footprints, etc.
True form fossils Fossils of the actual animal or animal part.
Answer:
The answer is glucose
Explanation:
Glucose + Oxygen -> Carbon dioxide +Water + Energy
if you think about it it is just photosynthesis backwards
