Cells And Microscope Flashcards

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1
Q

Whats a cell membrane?

A

Allows substances to pass in and out of the cell.

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2
Q

What is a cytoplasm?

A

Watery fluid that gives support to the cell

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3
Q

What is a nucleus?

A

Controls the cell’s activities

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4
Q

What is a vacuole?

A

(Larger and permanent in plants) storage of food water and wastes.

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5
Q

What is a cell wall

A

(Only in plant cell) gives strength to the cell

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6
Q

What is a chloroplasts?

A

(Only in plant cell) contains chlorophyll to help make food.

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7
Q

What is a base

A

Keeps the microscope stable

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8
Q

What is the stage and stage clips

A

Holds the slide in place

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9
Q

What is a light source

A

A built in light bulb or mirror that lights up the specimen

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10
Q

What is a diaphragm

A

Controls the amount of light passing through the specimen

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11
Q

What is a objective lens

A

Magnifies the specimen by different factors (x4 x10 x40)

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12
Q

What is a eyepiece lens

A

Magnifies the specimen usually by a factor of 10 (x10)

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13
Q

What is the coarse focus wheel

A

Brings the image into rough focus

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14
Q

What is a fine focus wheel

A

Brings the image into sharp focus

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15
Q

What is a electron microscope

A

Used to study things in more detail.a beam of electrons is passed through a specimen

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16
Q

What is a micrograph

A

An image formed when using an electron microscope

17
Q

What is a mitochondria and ribsomes

A

Can be seen with an electron microscope but cannot be seen with a light microscope

18
Q

What is an organelle

A

Structure in a cell that carries out a particular role

19
Q

What is a cell

A

Made up of organelle different cells do different jobs

20
Q

What is a tissue

A

Groups of cells that work together eg blood is made of red and white blood cells platelets and plasma