Cells And Microscopes Flashcards

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1
Q

What does the cell membrane do?

A

Allows substances to pass in and out of the cell

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2
Q

What allows substances to pass through the cell?

A

Cell membrane

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3
Q

What is cytoplasm?

A

Watery fluid that gives support to the cell

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4
Q

What is a watery fluid that help the cell called?

A

Cytoplasm

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5
Q

What is a nucleus?

A

It controls the cell activities

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6
Q

What controls the cells activity?

A

Nucleus

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7
Q

What is a vacuole?

A

It stores food, water and wastes (larger and permanent in plant cells

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8
Q

What stores food,water and waste in the cell

A

Vacuole

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9
Q

What is a cell wall?

A

It gives strength to the cell (only in plant cells)

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10
Q

What gives strength to the cell?

A

Cell wall

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11
Q

What is a chloroplast?

A

It contains chlorophyll to help make food (only in plant cell)

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12
Q

What is a microscope base?

A

It keeps the microscope stable

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13
Q

What are the clips and stage on a microscope

A

They hold the slide in place

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14
Q

What does the light do?

A

Its built in and shines light onto the slide so you can see it better

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15
Q

What is a diaphragm?

A

It controls the amount of light passing through the specimens

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16
Q

What is a objective lens

A

It magnifies the specimen by different factors (x4 x10 x40)

17
Q

What is an eye piece lens for?

A

It magnifies the specimen, usually by a factor of 10 (x10)

18
Q

What is coarse focus wheel?

A

It brings the image to a rough focus

19
Q

What is a fine focus wheel?

A

It brings the image into a sharp focus

20
Q

Electron microscope

A

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

21
Q

Mircrograph

A

An image formed when using an electron microscope

22
Q

Mitochondria and ribosomes

A

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

23
Q

Organelle

A

Structure in a cell that carries put a particular role

24
Q

Cell

A

Made up of organelles, different cells do different jobs

25
Q

Tissue

A

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

26
Q

Organ

A

Group of tissue that work together

27
Q

System

A

Group of organs that work together

28
Q

Organism

A

An individual that has many systems that work together