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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 |