cellular level of organization

living sturctural and functional units enclosed by a membrane.

is the study of cellulare structre and function

forms the cells flexible outer surface seperating the cells internal environment from the external. It is a selective barrier that regulates the flow of materials in and out of the cell.

consists of all the cellular content between the plasma membrane and the nucleus. It is where almost all of the chemical reactions in the cell take place.

the fluid portion of the cytoplasm. It contains water, dissolved solutes, and suspended particles.

they each of characteristic shapes and functions in the cytoplasm

is a large organelle that houses most of a cell's DNA.

a single molecule of DNA associated with several proteins and contains thousands of heriditary units called genes.