B1 -microscopy

Question 1

two types of microscope

Answer 1

light and electron

Question 2

how do light microscopes work

Answer 2

use light and lenses to form an image of a specimine

Question 3

what do light microscopes allow you to see

Answer 3

• individual cells and large subcellular structures like nuclei

Question 4

how do electron microscopes work

Answer 4

use electron beams instead of light to form an image

Question 5

what do electron microscopes allow us to see

Answer 5

smaller things in more detail like the internal structures of mitochodria and smaller things like ribosommes and plasmids

Question 6

magnification formula

Answer 6

mag = image size / real size

Question 7

millimeters to micrometers

Answer 7

x 1000

Question 8

micrometers to nanometers

Answer 8

x 1000

Question 9

millimeters to nanometers

Answer 9

x 1,000,000

Question 10

nanometers to micrometers

Answer 10

divide 1000

Question 11

micrometers to millimeters

Answer 11

divide 1000

Question 12

nanometers to millimeters

Answer 12

divide 1,000,000

Question 13

magnification

Answer 13

the measure of how much a microscope can enlarge an object

Question 14

resolution

Answer 14

measure of detail you can see in a microscope

Question 15

pros of a light microscope

Answer 15

• small and portable
• ## affordable

Question 16

pros of electron microscope

Answer 16

• higher magnification
• higher resolution

Question 17

cons of electron microscope

Answer 17

• large and not portable
• expensive

Question 18

cons of a light microscope

Answer 18

• lower magnification
• lower resolution