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Science > Cells And The Microscope > Flashcards

Cells And The Microscope Flashcards

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Biology 101 flashcards
0
Q

What is in the cell?

A

The cell membrane, the nucleus and the cytoplasm.

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1
Q

What is in the plant cell?

A

The cell membrane, the nucleus, cytoplasm, chloroplast, cell wall and the vacoule.

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2
Q

What is the function of the cell wall in the cell?

A

Provides support

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3
Q

What is the function of the cell membrane in the cell?

A

Controls what enters and leaves the cells.Very thin layer.

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4
Q

What is the fuction of chloroplast in the cell?

A

Makes food in photosynthesis by trapping sun light.

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5
Q

What is the function of cytoplasm in the cell?

A

Holds cells contents or a watery fluid.

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6
Q

What is the function of the vacoule in the cell?

A

Store food.

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7
Q

What is the function of the nucleus in the cell?

A

Controls the activities of the cell.It contains genes that control inherited characteristics.

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8
Q

How are organisms organised?

A

Cells

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9
Q

What are the parts of the microscope?

A

Eyepiece lens, focus knobs, nosepiece, objective lens, stage and mirror.

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10
Q

What is the function of the eyepiece lens?

A

Nearest to the eye and magnificance is marked.

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11
Q

What is the function of the focus knob?

A

Allows the image of an object to be clearly seen.

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12
Q

What are the two types of focus knob?

A

Fine focus knob, Coarse focus knob.

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13
Q

What is the function of the coarse focus knob?

A

Brings the object roughly into the focus

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14
Q

What is the function of the fine focus knob?

A

Allows for precise focusing.

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15
Q

What is the function of the nosepiece?

A

Revolves and allows the use of different lenses on the nosepiece.

16
Q

What is the objective lenses?

A

Different magnification and the total magnification of the image is found by multlyong the power of the eyepiece lens with the objective lens

17
Q

What is the function of the stage?

A

To veiw an object under a microscope and to hold the object you use the clips.

18
Q

What is the function of the mirror?

A

Used to reflect light through the object.

Science (11 decks)

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