Term
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Definition
- Cells are the fundamental units of life
- All organisms are composed of cells
- All cells come from preexisting cells
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Term
| What is the simplest collection of matter that can live? |
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Definition
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Term
| A cells structure is correlated to what? |
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Definition
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Term
| Implocations of cell theory: |
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Definition
•Functions of all cells are similar
•Life is continuous
•Origin of life was the origin of cells |
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Term
| What are the two basic types of microsscopes? |
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Definition
Light microscope
Electron microscope |
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Term
Ressolution of:
Light microscope
Electron microscope |
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Definition
Light - 0.2 µm
Electron - 0.2 nm |
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Term
| What does the image quality of a microscope depend on? |
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Definition
Magnification
Resolution
Contrast |
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Term
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Definition
| ratio of an object’s image size to its real size |
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Term
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Definition
| measure of clarity of image, or minimum distance of 2 distinguishable points |
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Term
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Definition
| visible differences in parts of sample |
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Term
| Cells are small because they need...? |
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Definition
| high surface area-to-volume ratio |
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Term
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Definition
§Determines the amount of chemical activity in the cell per unit time |
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Term
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Definition
§Determines the amount of substances that can pass the cell boundary per unit time |
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Term
| What are the two types of cells? |
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Definition
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Term
| What are prokaryotic cells? |
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Definition
Archaea
Bacteria
The first cells! |
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Term
| What are Eukaryotic cells? |
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Definition
Eukarya
qDNA is in a membrane-enclosed compartment called the nucleus |
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Term
| Basic features of all cells:(4) |
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Definition
Plasma membrane
Semifluid substance called cytosol
Chromosomes (carry genes)
Ribosomes (make proteins) |
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Term
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Definition
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Term
| Name of the cytoskeleton of rod-shaped bacteria? |
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Definition
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Term
| Some prokaryotes swim by means of? |
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Definition
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Term
hair-like structures projecting from the surface of prokaryotes?
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Definition
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