• a phospholipid layer that covers a cell's surface
• acts like a barrier between the inside of the cell and the cell's environment
• allows nutrients in and waste products out

• found in plants and algae
• make food using the energy of the sun

• chemical found in chloroplasts that traps light energy
• makes chlorophyll green

• looks like flattened sacks stacked side by side or like a cloth folded back and forth
• transports material from the nucleus to other parts of the cell

digests food particles, wastes, old cell parts and other foreign invaders

• breaks down food molecules to make ATP (energy)
• bean shaped organelle that is surrounded by two membranes

• the most visible organelle when looking through a microscope
• contains the cell's DNA
• control center of the cell

• site where amino acids are hooked together to make proteins
• only organelle in eukaryotic cells that is not covered by a membrane
• smallest most abundant organelle

• membrane covered chamber that stores food, water and other materials
• the pigment in vacuoles is what gives some plants their color
• makes celery crisp