Term
Why should only lens paper be used to clean microscope lenses? |
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Definition
Microscope lenses scratch easily. |
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Term
What is the function of the condenser? |
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Definition
Concentrate light in the plane of the object being viewed. |
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Term
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Definition
Capacity of microscope to separate tiny, closely adjacent objects. |
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Term
Where should an adjustable condenser be set for maximum resolution? |
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Definition
About 1mm away from the stage. |
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Term
What is the function of the iris diaphragm? |
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Definition
Regulate amount of light passing through and object. |
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Term
What is the function of the interpupillary adjustment on the dissecting microscope? |
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Definition
Allow variation in distance between the ocular lenses. |
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Term
How many layers of cells are there in an Elodea leaf? |
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Definition
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Term
When chloroplasts appear to be moving within a living cell, what is the cause of their movement called? |
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Definition
Cytoplasmic streaming or cyclosis. |
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Term
What are cytoplasmic bridges? |
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Definition
Thin strands of cytoplasm across a vacuole. |
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Term
What parts of cells are normally visible with the aid of a compound light microscope? |
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Definition
Cell, wall, chloroplasts, vacuole, nucleus. |
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Term
If present in a cell, where are anthocyanin pigments located? |
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Definition
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Term
How are amyloplasts distinguished from parenchyma cells in a potato? |
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Definition
Amyloplasts are "clam-shaped" and stain purple with an indicator. |
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Term
How does a chromoplast differ from a chloroplast? |
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Definition
Chloroplasts have chlorophyll, chromoplasts have carotenoids. |
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Term
In what part of a cell are chloroplasts located? |
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Definition
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Term
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Definition
The movement of cytoplasm. |
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Term
What is a vacuole? What is the thin boundary of the vaculoe called? Is it visible? |
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Definition
A liquid-filled organelle for storage and turgor pressure; tonoplast; yes |
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Term
Where would you look for the nucleus in an Elodea cell? |
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Definition
You would look along the edge of the vacuole. |
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Term
Anthocyanin pigments and chromoplasts may both be red in color. If you were to observe a cell that had both, how could you distinguish between them? |
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Definition
Anthocyanin pigments would be in the vacuole; chromoplasts would not. |
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Term
How can you tell a potato amyloplast from a cell? |
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Definition
Amloplasts stain purple with an indicator; cells don't. |
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Term
How would you distinguish an amyloplast from a chloroplast? |
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Definition
Chloroplasts are green, amyloplasts are clear unless stained. |
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Term
Specifically where do starch grains develop in a cell? |
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Definition
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