Microscopy Flashcards

To understand microscopy.

You may prefer our related Brainscape-certified flashcards:
1
Q

What two variables are most important when talking about microscopy?

A

Magnification and resolution.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is magnification?

A

How much larger an image appears on a microscope compared to its size in real life.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is resolution?

A

The ability to distinguish between two or more objects that are close together.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the equation for magnification?

A

Magnification = image size ÷ actual size.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the two main types of microscope?

A

Light and electron.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is a light microscope?

A

It passes light through a specimen and magnifies it using lenses. They allowed bacteria to be seen for the first time and plant and animal cells could be distinguished.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is an electron microscope?

A

Electrons are passed through the specimen instead of light. Magnifications of ×500,000. First used in 1933. They help see sub cellular structures clearly.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly