Microscopes and Micro-Organisms

Question 1

When was the Light Microscope invented?

Answer 1

1600

Question 2

What does the Light Microscope do?

Answer 2

x1000 magnification and picture made clearer

Question 3

What microscope used light?

Answer 3

Light Microscope

Question 4

When was the Electron Microscope invented?

Answer 4

1931

Question 5

What does the Electron Microscope do?

Answer 5

beams electrons which has a magnification of x50million

Question 6

What microscope used beams of electrons?

Answer 6

Electron Microscope

Question 7

What does the Confocal laser scanning image do?

Answer 7

Produces a clearer image

Question 8

What microscope uses laser via computer?

Answer 8

Confocal laser scanning image

Question 9

Who discovered cells and when?

Answer 9

Robert Hooke in 1665

Question 10

When was the cell theory discovered?

Answer 10

1830s

Question 11

Give four points on cell theory

Answer 11

• Is basic ‘unit’ of life - Energy flow occurs within cells - All living organisms have cells - Same basic Chemical Composition

Question 12

How does Yeast reproduce?

Answer 12

Asexually bu budding

Question 13

How does Bacteria reproduce?

Answer 13

Asexually by dividing into two

Question 14

How does Virus reproduce?

Answer 14

Inside a ‘host’ cell

Question 15

What does Viruses have?

Answer 15

RNA or DNA, Envelope and Capsid

Question 16

What is the samllest cell?

Answer 16

Virus

Question 17

What are the four micro-organisms?

Answer 17

• Unicellular Algae
• Fungi
• Viruses
• Bacteria