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Glossary of cells
Created by xxniknak16xx
- Cell Theory
- • 1. All organisms are composed of one or more cells, within which life processes occur
• 2. Cells are the smallest living things. Nothing smaller than a cell can be considered alive
•3. Cells arise only from other cells.
- Cells must be able to pass messages to and from the ________ in order to control cellulat proccess
- nucleus
- Distance between two points that can be apart and still be percieved as two points
- Resolution
- How do cells maximize surface area?
- By passing materials through the surface of the membrane
- Larger cells function more efficiently by increasing surface area.. how do we increase surface area?
- Neurons & Microvulli
- Robert Hooke
- • Built microscope and observed thin slice of cork in 1665
• Found “honeycomb” compartments in the slice- tiny little empty spaces
•Called them cellulae which means small rooms in Latin
- Size of bacterial
- Ranger from 1-9 um
- Size of human cells
- Range from 5-20 um
- types of light microscopes
- Dissecting & compound light microscope
- What are all cells enclosed by?
- the plasma membrane
- Why are cells small?
- They function more efficiently
