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Biology > Cells And Microscope > Flashcards

Cells And Microscope Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Cell membrane!

A

Allows substance to pass in and out of the cell.

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2
Q

Cytoplasm!

A

Watery fluid that gives support to the cell.

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3
Q

Nucleus!

A

Controls the cells activities.

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4
Q

Vacuole!

A

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

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5
Q

Cell wall!

A

(Only in plant cell) gives strength to the cell.

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6
Q

Chloroplast!

A

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

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7
Q

Base!

A

Keeps the microscope stable.

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8
Q

Stage and stage clips!

A

Holds the slide in place.

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9
Q

Light source!

A

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

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10
Q

Diaphragm!

A

Controls the amount of light passing through the specimen.

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11
Q

Object lens!

A

Magnifies the specimen by different factors (x4,x10 and x40)

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12
Q

Eyepiece lens!

A

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

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13
Q

Coarse focus wheel!

A

Brings the image into rough focus.

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14
Q

Fine focus wheel!

A

Brings the image into sharp focus.

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15
Q

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

Micrograph!

A

An image formed when using an electron microscope.

17
Q

Mitochondria and ribosomes!

A

Can be seen with and electron microscope, but cannot be seen with a light microscope.

18
Q

Organelle!

A

Structure in a cell that carries out a particular role.

19
Q

Cell!

A

Made up of organelles , different cells do different jobs.

20
Q

Tissue!

A

Groups of cells that work together e.g. blood is made of red and white blood cells, plasma and platelets.

21
Q

Organ!

A

Group of tissues that work together.

22
Q

System!

A

Group of organs that work together.

23
Q

Organism!

A

An individual that has many systems that work together.

Biology (3 decks)

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