| A | B |
|---|
| cytoskeleton | network of proteins, such as microtubules and microfilaments, inside a eukaryotic cell that supports and shapes the cell |
| nucleus | organelle composed of a double membrane that acts as the storehouse for most of a cell's DNA (plural: nuclei) |
| endoplasmic reticulum | interconnected network of thin, folded membranes that produce, process, and distribute proteins |
| ribosome | organelle that links amino acids together to form proteins |
| Golgi apparatus | stack or flat, membrane-enclosed spaces containing enzymes that process, sort, and deliver proteins |
| vesicle | small organelle that contains and transports materials within the cytoplasm |
| mitochondrion | bean-shaped organelle that supplies energy to the cell and has its own ribosomes and DNA (plural: mitochondria) |
| vacuole | organelle that is used to store materials, such as water, food, or enzymes, that are needed by the cell |
| lysosome | organelle that contains enzymes |
| centriole | small cylinder-shaped organelle made of protein tubes arranged in a circle; aids mitosis |
| cell wall | rigid structure that gives protection, support, and shape to cells in plants, algae, fungi, and bacteria |
| chloroplast | organelle composed of numerous membranes that are used to convert solar energy into chemical energy; contains chlorophyll |
