Term
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Definition
| Every organism is made up of at least one cell, a cell is the basic unit of life, and cells are produced by division of pre-existing cells. |
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Term
| What are the 3 structural features common in all cells? |
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Definition
1.) Cell Membrane
2.) Cytoplasm
3.) DNA |
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Term
| What is the interior structure in a eukaryotic vs prokaryotic cell? |
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Definition
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Term
| Where is the DNA in a prokaryotic cell? Eukaryotic cell? |
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Definition
Pro - Nucleoid
Eu - Nucleus |
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Term
| How does DNA structure differ in pro and eu cells? |
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Definition
Pro - Single circular molecule
Eu - Chromatin (individual chromosomes) |
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Term
| What is the difference in size of ribosomes in pro and eu cells? |
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Definition
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Term
| Which type of cell has enzymes on the plasma membrane? |
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Definition
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Term
| Which type of cell has membrane-bound organelles? |
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Definition
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Term
| How do the cells differ in reproduction? |
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Definition
Pro - fission
Eu - mitosis and meiosis |
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Term
| How do the cells differ in flagella? |
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Definition
Pro - simple flagella when present
Eu - 9 + 2 complex |
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Term
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Definition
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Term
| In bacteria, what can be seen with a light microscope? |
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Definition
| See entire cells under oil immersion. Cannot see much detail internally. Can stain or oil immersion to see nucleoid, outer cell wall or capsule, flagella, and internal resting spores. |
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Term
| In animal cells, what can be seen with a light microscope? |
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Definition
| Cell membrane, nucleus, some internal structure. Vesicles can be seen wtih proper staining. Can see chromosomes, centrioles or microtubules in mitotic or meiotic cells. |
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Term
| In plant cells, what can be seen with a light microscope? |
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Definition
| Cell wall, membrane, nucleus, large vacuole, chloroplasts. |
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Term
| What can be seen in all cells with electron microscopy? |
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Definition
| INternal structure of membrane, proteins on membrane surfaces, internal structure of organelles, internal structure of nucleus etc. |
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Term
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Definition
| Cyanobacteria. Have chlorophyll, prokaryotic, do not have cholorphyll in chloroblasts. |
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Term
| What is cytoplasmic streaming? |
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Definition
| Expanding/extending microtubules and the cytoplasm follows behind. Looks like streaming water. How the move. |
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Term
| What is gram positive? What is gram negative? |
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Definition
Positive - purple
Negative - pink |
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