Unit 1.1e

Question 1

What is bright field microscopy?

Answer 1

When a sample is illuminated from below on a disk so it can be looked through on a microscope

Question 2

What does bright field microscopy allow you to look at?

Answer 2

whole organisms, parts of organisms or thin sections of dissected tissue

Question 3

How can you make a sample more obvious in bright field microscopy?

Answer 3

Staining it

Question 4

How does fluorescence microscopy work?

Answer 4

Fluorescent labels bind to molecules or structures within a cell or tissue. It enables specific structures to be visualised

Question 5

What are the uses of fluorescence microscopy?

Answer 5

• locating structural components
• viability studies of cell populations
  -imaging genetic material in cells