what are the major cell organelles
Structure-The largest organelle in the cell. It is dark and round, and is surrounded by a double membrane called the nuclear envelope/membrane. In spots the nuclear envelope fuses to form pores which are selectively permeable.
CYTOPLASM. Structure-The jelly-like substance composed of mainly water and found between the cell membrane and nucleus. The cytoplasm makes up most of the body of a cell and is constantly streaming. Function-Organelles are found here and substances like salts may be dissolved in the cytoplasm.