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Cell Structure
| Questions | Definitions |
|---|---|
| Cell Membrane | Maintains an internal environment different from external environment. |
| Cell theory (3 Things) | 1. Cell is the most basic unit of life 2. All living things are composed of cells. 3. All cells form from a previously existing cell. |
| Prokaryotic Domain(s) | Achaea Bacteria |
| Eukaryotic Domain(s) | Eukarya |
| Where is DNA found in a prokaryotic cell? | DNA is found in the cytoplasm. |
| Where is DNA found in a eukaryotic cell? | DNA is found in the nucleus. |
| Centriole | Helps make cilia and flagella |
| Where is centriole found? | Found in lower plants, lacking in higher plants with pollen. |
| What is the cilia's and flagella's purpose? | Helps the cell move liquids/objects . |
| Lysosomes | Intracellular digestive enzymes. |
| Are Centriole, cilia & flagella, and lysosome's found in animal or plant cells? | Animal Cells. |
| Cell Wall | Rigid and supports a plant. |
| Chloroplast | photosynthesis. |
| Central Vacuole | Fills with water and creates pressure against cell wall. |
| In which cell are cell walls, chloroplast, and the central vacuole found? | Plant cells. |
| What is a Nuclear Envelope? | A double membrane. |
| What is Chromatin made of? | It is made of DNA and protein. |
| What does the mRNA do? (2 Answers) | 1. Binds o ribosomes to make protein. 2. Translates code of DNA into amino acid sequence. |
| mRNA is single stranded. unlike DNA, true or false? | True. |
| What are ribosomes? | Ribosomes are the site of protein synthesis. |
| What are the two types of ribosomes? | Free ribosomes and attached to Rough Endoplasmic Reticulum. |
| How many parts are there of the Endomembrane System? | Six. |
| What are the parts of the Endomembrane system? | Rough Endoplasmic Reticulum Smooth Endoplasmic Reticulum Golgi Apparatus Lysosome Cell or Plasma Membrane Nuclear Membrane |
| Where are ribosomes assembled? | Nucleolus |
| The cytoskeleton cannot change the shape of a cell, true or false? | False. |
| Cilia | Move in coordinated motion. |
| Flagella | Moves cel with whip like motion. |