Term
| What are the 3 types of microscopes? |
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Definition
Compound Light
Transmission Electron
Scanning Electron |
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Term
| How is the compound light microscope focused? |
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Definition
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Term
| Where is the image formed on the compound light microscope? |
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Definition
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Term
| What is the maximum magnification of a compound light microscope? |
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Definition
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Term
| How is the transmission electron microscope focused? |
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Definition
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Term
| Where is the image formed on the transmission electron microscope? |
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Definition
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Term
| What is the maximum magnification of a transmission electron microscope? |
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Definition
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Term
| Where is the image formed on the scanning electron microscope? |
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Definition
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Term
| Which microscope sprays the specimen with a thin coat of metal? |
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Definition
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Term
| Who are the 3 early cell scientists? |
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Definition
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Term
| What field was Matthais Schleiden in? |
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Definition
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Term
| What field was Theodor Schwann in? |
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Definition
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Term
| What field was Rudolph Virchow in? |
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Definition
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Term
| What early scientist described the nucleus? |
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Definition
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Term
| What 3 things does cell theory state? |
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Definition
All organisms are composed of cells
All cells come only from preexisting cells
Cells are the smallest strucutral and functional unit of organisms |
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Term
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Definition
| Need a large surface area of plasma membrane to adequately exchange materials |
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Term
| The degree to which the image of a specimen is enlarged expressed as a ratio between size of image and actual size |
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Definition
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Term
| Minimum distance between two objects that allow them to be seen as separate objects |
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Definition
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Term
| how well specimen detail is preserved during magnification |
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Definition
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Term
| The ability to see specimen detail against its background |
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Definition
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Term
| What is the differentiating feature of a prokaryotic cell? |
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Definition
| Lack of a membrane bound nucleus |
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Term
| Which two domains are prokaryotic cells placed in? |
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Definition
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Term
| Name 3 examples of prokaryotic bacteria |
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Definition
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Term
| Important in the decomposition of dead organisms |
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Definition
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Term
| Used to help manufacture medical substances such as insulin |
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Definition
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Term
| What 3 shapes do prokaryotic bacteria occur? |
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Definition
Coccus
Bacillus
Spirillum/Spirochete |
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Term
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Definition
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Term
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Definition
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Term
| Spiral (rigid and flexible) |
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Definition
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Term
| What are the 3 parts of the prokaryotic bacteria? |
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Definition
Cell envelope
Cytoplasm
Appendages |
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Term
| What are the 3 parts of the cell envelope of the prokaryotic bacteria? |
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Definition
Plasma membrane
Cell wall
Glycocalyx |
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Term
| 3 characteristics of the cell envelope of a prokaryotic bacteria |
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Definition
Lipid bilayer with imbedded and peripheral protein
Regulates entrance and exit of substances into and out of cytoplasm
Form internal pouches (mesosomes) that increase the surface area for enzyme attachments |
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Term
| What are the 2 characteristics of the cell wall of a prokaryotic bacteria? |
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Definition
Maintains the shape of the cell and is strengthened by peptidoglycan
Not always present |
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Term
| Layer of polysaccharides on the outside of the cell wall |
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Definition
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Term
| What are the 3 functions of the glycocalyx? |
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Definition
Helps aid against drying out
Resists hose immune system
Aids in attachment to most any surface |
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Term
| What are the 3 prokaryotic bacteria appendages? |
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Definition
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Term
| What is the function of the flagella? |
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Definition
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Term
| Small, bristle like fibers that sprout from the cell surface |
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Definition
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Term
| Rigid tubular structures used to pass DNA from cell to cell |
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Definition
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Term
| What are the 5 prokaryotic organelles? |
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Definition
Cytoplasm
Nucleoid
Plasmids
Ribosomes
Inclusion bodies |
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Term
| What are the 2 characteristics of the prokaryotic cytoplasm? |
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Definition
Bound by plasma membrane
Contains water, inorganic and organic molecules, and enzymes |
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Term
| What is the prokaryotic nucleoid? |
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Definition
| Region that contains the single, circular DNA molecule |
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Term
| What are the prokaryotic plasmids? |
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Definition
| small accessory rings of DNA |
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Term
| What is the funtion of the prokaryotic ribosomes? |
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Definition
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Term
| What is the function of prokaryotic inclusion bodies? |
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Definition
| Stored granules of varying substances |
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Term
| What are the membrane bound eukaryotic organelles that are a part of the endomembrane system? |
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Definition
Nucleus
Nuclear membrane (envelope)
Ribosomes
Endoplasmic Reticulum
Golgi aparatus
Lysosomes |
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Term
| What are the 4 eukaryotic organelles that are membrane bound but not part of endomembrane system? |
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Definition
Peroxisome
Vacuole
Mitochondria
Chloroplast |
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Term
| What are the 3 non membraneous eukaryotic organelles? |
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Definition
Cytoskeleton
Centrosome
Centriole |
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Term
| What are the 3 parts of the eukaryotic cytoskeleton? |
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Definition
Actin filament
Intermediate filament
Microtubles |
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