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combination of DNA and protein molecules, in the form of long, thin fibers, making up the genetic material in the nucleus of a eukaryotic cell
one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope
the process by which molecules move from an area of higher concentration to an area of lower concentration
diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
pathway provided by transport proteins that helps certain molecules pass through a membrane
movement of molecules across a membrane requiring energy to be expended by the cell
process of taking material into a cell within vesicles that bud inward from the plasma membrane
the process by which a cell engulfs large particles or whole cells, either as a defense mechanism or as a means to obtain food
process of exporting proteins from a cell by a vesicle fusing with the plasma membrane and spilling the proteins outside the cell
straight, hollow tube of proteins that gives rigidity, shape, and organization to a cell
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