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Cells And The Microscope Flashcards

(12 cards)

1
Q

what is the eyepiece lens

A

this is the part of the microscope which allows you to view the object. Usually x10

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2
Q

what is the objective lens?

A

they allow you to view an object on a higher magnification. eg. x4 x10 x40

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3
Q

what is the stage?

A

this is where you place the slide to view it

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4
Q

what is the iris diaphragm

A

controls the amount of light going through the slide.

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5
Q

what is coarse focus and fine focus?

A

these allow the object to been seen clearly.

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6
Q

what is the coverslip?

A

it is a thin sheet of glassusedto hold objects for examination under amicroscope. It serves two purposes: it protects themicroscopes objective lens from contacting the specimen, and it creates an even thickness (in wet mounts) for viewing.

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7
Q

what is the cell membrane?

A

it holds the contents of the cell in place and allows substances to move in and out of the cell.

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8
Q

what is the nucleus?

A

It’s the cells brain. It’s the control center of the cell.

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9
Q

what is cytoplasm?

A

this is a jelly inside the cell which fills the cell.

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10
Q

what is the cell wall?

A

provides support for a plant cell

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11
Q

what is the vacuole?

A

stores food

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12
Q

what are chloroplasts?

A

they carry out photo photosynthesis and contain a chemical called cholophyl

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