Cell Structure (Cell Ultrastructure)

Question 1

What is ultrastructure?

Answer 1

It is the detail of a structure as seen using an electron microscope

Question 2

What is the detail of a structure as seen using an electron microscope?

Answer 2

Ultrastructure

Question 3

What do electron microscopes use instead of light?

Answer 3

A beam of electrons

Question 4

What type of microscope uses a beam of electrons instead of light?

Answer 4

Electron microscopes

Question 5

Why does the image from an electron microscope have to be converted to an image on a TV screen?

Answer 5

As electrons are invisible

Question 6

What are the two main types of electron microscopes?

Answer 6

A transmission electron microscope

A scanning electron microscope

Question 7

What does a transmission electron microscope send a beam of electrons through?

Answer 7

A thin section of the specimen

Question 8

What does a transmission electron microscope show?

Answer 8

The internal structure of the specimen in great detail

Question 9

What does a scanning electron microscope use electrons to provide an image of?

Answer 9

It provides a surface view of the specimen

Question 10

What magnifications can be given by electron microscopes?

Answer 10

x250,000 and higher