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Chapter 3
3.1 - 3.2 Vocabulary
| Question | Answer |
|---|---|
| Plasma membrane | a thin coat of lipids that surrounds a cell. |
| Cytoplasm | all of the cellular material inside the plasma membrane. |
| Ribosomes | structures in the cytoplasm where proteins are made. |
| Nucleus | a structure in the cytoplasm that is surrounded by a membrane (the nuclear membrane) and contains DNA. |
| Prokaryotic cells | cells without a nucleus. |
| Prokaryotes | organisms without prokaryotic cells. |
| Eukaryotic cells | cells that contain a nucleus. |
| Eukaryotes | organisms with eukaryotic cells. |
| Organelle | a structure within the cytoplasm that performs a specific job in the cell. |
| Viruses | tiny particles that may cause disease. |
| Phospholipid bilayer | the phospholipids in the plasma membrane are arranged in two layers. |
| Cytoskeleton | consists of thread like filaments and tubules that crisscross the cytoplasm. |
| Mitochondria | an organelle that make energy available to the cell. |
| ATP (adenosine triphosphate) | an energy-carrying molecule that is used almost universally inside cells for energy. |
| Endoplasmic reticulum (ER) | an organelle that help make and transport proteins and lipids. |
| Golgi apparatus | a large organelle that processes proteins and prepares them for use both inside and outside the cell |
| Vesicles & Vacuoles | sac-like organelles that store and transport materials in the cell. |
| Central vacuole | mature plant cells |
| Chloroplasts | plastids that contain the green pigment cholrphyll. |
| Cell wall | a rigid layer that surrounds the plasma membrane of a cell. |
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grous3