Answer:
The cell membrane is the semipermeable membrane of a cell that surrounds and encloses its contents of cytoplasm and nucleoplasm.
Explanation:
True - The weight of an object is equal to the force of gravity acting upon the object. .... A contact force results from the physical contact between two objects.
Amyloidosis. Anemia. Transplantasi Darah dan Sumsum. Hemofilia. Trombositopenia imun. Leukemia.
The answer is D. It <span>keeps outside substances away from the receptor cells</span>
The cyanobacteria changed the composition of the earth’s atmosphere by evolving oxygen in what is referred to as the Great Oxygenation Event. This also allowed the ozone to be formed and block off most of the UV rays that are destructive to genetic material. Life was, therefore, also able to exist on land other than in water.