Microscopes Flashcards

0
Q

This type of microscope uses a beam of electrons views through an ultra thin sample

A

Transmission electron microscope

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1
Q

This type of microscope uses lights and lenses To magnify a samples image

A

light microscope

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2
Q

This type of microscope is used by focusing a beam Of electrons through a sample - good for 3d surface images

A

Scanning electron microscope

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3
Q

The invention of this technology made the discovery of cells possible

A

Microscope

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4
Q

Robert Hooke use this name to refer to the tiny empty chambers he saw when he observed magnified cork

A

Cells

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5
Q

All cells are surrounded by a thin flexible barrier called this

A

Cell membrane

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6
Q

There are two types of electron microscopes name them both

A

Scanning and transmission

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7
Q

This type of cell has their DNA enclosed in their nucleus

A

Eukaryotic

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8
Q

This type of cell does not have their DNA encased in the nucleus

A

Eukaryotic

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9
Q

This German botanist concluded that plants are made of cells

A

Matthias schleiden

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10
Q

This German biologist confirm that animals are made of cells

A

Theodor Schwann

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11
Q

These are the basic units of life

A

Cells

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12
Q

Are the three parts of cell theory

A

1) all things are made from living cells
2) cells are the basic units of structure and function in living things
3) new cells are produced from existing cells

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13
Q

Human body cells are made of these kind of cells

A

Prokaryotic

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14
Q

This was the first person to observe living cells

A

Anton can Leeuwenhoek

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15
Q

This is the first person to see inside the nucleus

A

Robert brown

16
Q

This part of the microscope is used to focus the image

A

Course adjustment knob

17
Q

This is where you place specimens or examples to view under microscope

A

Microscope slide

18
Q

Microscope lenses are used for two different things: what is the scientific term for enlargement of the object

A

Magnification

19
Q

Microscope lenses are used for two different things: one of them is to make the object clear what is the scientific term for this

A

Resolution

20
Q

What is the formula for the magnification of an object?

A

Eyepiece x object = total magnification