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1st 9 weeks science
Cells and Cell theory
| Question | Answer |
|---|---|
| Who discovered the cell? | Robert Hooke |
| Name 3 Parts of the cell theory. (in order) | all living things are composed of cells, cells are the basic unit of structure and function of life, and all cells come from existing cells |
| What is a prokaryotic cell? | A cell with out a nucleus or membrane. |
| What is a eukaryotic celll? | A cell with a nucleus and a membrane |
| What are the tiny specialized structures in all cellls? | Orgenelles |
| What is the largest orgenelle in the cell? | Nucleous |
| What surrounds the cell and holds it together ; also lets materials pass in and out. | Cell membrane |
| what is the extra protective layer around a plant cell that gives it a ridgid shape? | Cell wall |
| The cell membrane is made up of _______ with _______ interspersed | Phospholipids and protein |
| The cell wall is made up of _____ which is not digested by humans. | Cellulose |