| A | B |
|---|
| cell membrane | controls which substances can enter or leave the cell |
| cell wall | a rigid layer o nonliving material that surrounds the cells of plants |
| lysosomes | small round structures that contain chemicals that break down food or old cell parts |
| chloroplast | captures energy from sunlight and uses it to produce food found mainly in plants |
| mitochondria | the powerhouse of the cell, they produce most of the energy |
| cytoplasm | allows material to flow throughout the cell |
| endoplasmic reticulum | series of passageways that transport proteins and other material |
| nucleus | directs all of the cells activities; the brain of the cell |
| nucleolus | this is where ribosomes are made |
| chromatin | contains the genetic material that directs the functions of the cell |
| ribosomes | attached to the endoplasmic reticulum; produces proteins |
| golgi bodies | cells mailroom, receives proteins and distributes them to other parts of the cell |
| vacuoles | water-filled sac is the storage area of the cell; stores food, water, and waste |
