Term
| Why do we use microscopes in Biology? |
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Definition
| to magnify objects to make them big enough to see |
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Term
| How do you calculate the image size of an object under a microscope? |
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Definition
| image size = actual size x magnification |
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Term
| If an image is 2 mm under 20X magnification what is its actual size ? |
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Definition
| actual size = image size / magnification; actual size = 2/20 = 0.1mm |
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Term
| How do you calculate the total magnification of a microscope? |
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Definition
| eye piece lens magnification X objective lens magnification |
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Term
| Why do we stain objects on microscope slides? |
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Definition
| to show the cell components more clearly |
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Term
| How many micrometres (um) in a millimetre (mm)? |
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Definition
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Term
| If 10 cells fit across a 5mm field of view of a microscope, what is the average length of one cell? |
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Definition
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Term
| Which type of cell has no nucleus? |
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Definition
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Term
| Which type of cell has no cell wall? |
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Definition
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Term
| Which type of cell has no mitochondria? |
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Definition
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Term
| Which type of cell has a cell wall made of cellulose? |
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Definition
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Term
| Where in a cell do many chemical reactions take place? |
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Definition
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Term
| Where in a cell does aerobic respiration take place? |
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Definition
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Term
| Name the circular piece of DNA found only in bacterial cells. |
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Definition
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Term
| Name the site of photosynthesis in green plant cells. |
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Definition
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Term
| In plant, animal and fungal cells, where is the genetic infromation found? |
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Definition
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Term
| What is the function of ribosomes? |
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Definition
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Term
| Which type of cells have ribosomes? |
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Definition
| plant, animal, fungus & bacteria |
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