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Analysis Of Cell Componenets

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

What is magnification?

Back (Answer)

How much bigger the image is than the specimen

#2
Front (Question)

What is the formula for magnification?

Back (Answer)

Size of image ÷ size of real object

#3
Front (Question)

How do you convert nanometres into micrometers?

Back (Answer)

÷1000

#4
Front (Question)

How do you convert micrometres into millimetres?

Back (Answer)

÷1000

#5
Front (Question)

What is the resolution?

Back (Answer)

How well a microscope distinguishes between 2 points that are close together

#6
Front (Question)

What are the 2 types of microscope?

Back (Answer)

Optical Electron

#7
Front (Question)

What are optical microscopes?

Back (Answer)

Use light to form an image

#8
Front (Question)

What is the maximum resolution of an optical microscope?

Back (Answer)

0.2 micrometers

#9
Front (Question)

What is the maximum useful magnification of an optical microscope?

Back (Answer)

x1500

#10
Front (Question)

What can you see with an optical microscope?

Back (Answer)

Mitochondria Nucleus

#11
Front (Question)

What are electron microscopes?

Back (Answer)

Use electrons to form an image

#12
Front (Question)

What is the maximum resolution of an optical microscope?

Back (Answer)

0.0002 micrometers

#13
Front (Question)

What is the maximum useful magnification of an electron microscope?

Back (Answer)

x1 500 000

#14
Front (Question)

What are the 2 types of electron microscope?

Back (Answer)

Transmission Scanning

#15
Front (Question)

What are transmission electron microscopes?

Back (Answer)

Use electromagnets to focus a beam of electrons which is then transmitted through the specimen

#16
Front (Question)

Why do denser parts of the specimen look darker on the image?

Back (Answer)

Absorb more electrons

#17
Front (Question)

What are the advantages of TEMs?

Back (Answer)

Give high resolution images so can see internal structures of organelles

#18
Front (Question)

What is are the disadvantages of TEMs?

Back (Answer)

Have to view specimen in a vacuum so cannot look at living specimens Only used on thin specimens

#19
Front (Question)

What are scanning electron microscopes?

Back (Answer)

Scan a beam of electrons across a specimen which knocks of electrons from specimen which are gathered in a cathode ray tube to form an image

#20
Front (Question)

What are the images like in SEMs?

Back (Answer)

Show surface of specimen Can be 3D

#21
Front (Question)

What is an advantage of SEMs?

Back (Answer)

Can be used on thick specimens

#22
Front (Question)

What is a disadvantage of SEMs?

Back (Answer)

Give lower resolution images than TEMs

#23
Front (Question)

What is cell fractionation?

Back (Answer)

Separating organelles from the rest of the cell

#24
Front (Question)

What are the 3 steps of cell fractionation?

Back (Answer)

Homogenisation Filtration Ultracentrifugation