Separates the living cell from its nonliving surroundings. Mainly composed of lipids and proteins.
Works in partnership with the endoplasmic reticulum. It refines, stores, and distributes the chemical products of cells.
Protects the cell and helps it maintain its shape. Keeps the cell from absorbing to much water.
Membrane enclosed sac that contains digestive enzymes. The enzymes break down macromolecules. It fuses with food vacuoles.
Bordered by a double membrane called the nuclear envelope. It contains chromatin and a nucleolus. DNA is stored here and is used to make proteins.
Membranous sacs. Central _____ of plants and contractile _______ of protists.
Ribosomes are responsible for protein synthesis. (Putting proteins together)
The sites of photosynthesis. Conversion of light energy into chemical energy.
Does not have ribosomes. Produces several molecules. It produces lipids, including steroids.
Has ribosomes. It produces new membranes and packages molecules into transportation vehicles.
Sites of cellular respiration, which involves the production of ATP from food molecules.