Weegy: Biologist Lynn Margulis proposed the endosymbiotic theory, which states that different prokaryotic organisms joined in symbiosis eventually become eukaryotic cells. The two plant cell organelles that can be viewed as evidence to support her theory are: mitochondria and chloroplasts. ] (More)

Weegy: Protein is the embedded molecule in the cell membrane which moves large molecules into and out of the cell. (More)

Weegy: A. True (More)

Weegy: Exocytosis is the process always involves the movement of materials from inside the cell to outside the cell. (More)

Weegy: Cholesterol creates stability in the fluid mosaic model. Cell wall does the same thing in a plant cell. (More)