The genetic material for the cell; it is the cell’s command center, directing all of the cell’s activities.
provide energy for the cell; they use oxygen to release energy from food taken in by the cell
A system of winding membranes that packages and transports materials; it also manufactures parts of the cell membrane.
Are found in the cytoplasm and on the endoplasmic reticulum. ________ build proteins by connecting amino acids into long chains.
Takes simple materials, made in the endoplasmic reticulum, and processes them into more complex materials. Once the ______ has processed these materials, they are either stored or sent out of the cell.
Small packages that store and transport materials. Some ______ are formed when parts of the endoplasmic reticulum break off; these ______ carry materials to the Golgi apparatus. Other ______ are formed when parts of the Golgi apparatus break off; these ________ help to transport materials out of the cell.
a type of vesicle made by the Golgi apparatus. _____ contain chemicals that break down materials such as food and old cell parts.
a protective covering that separates the inside of a cell from its environment. Any material coming into or out of the cell must pass through this ______