Exercise 18 - Ultra Violet Radiation

Question 0

The mutagenic effect: what are formed in this DNA when it is exposed to this type of radiation

Answer 0

Pyrimidine dimers

Question 1

What kind of radiation is UV. Light, Ionizing or nonionizing

Answer 1

Nonionizing

Question 2

What specific wavelength of radiation maximizes damage

Answer 2

260nm

Question 3

What was the effect of leaving the lids on during exposure

Answer 3

The lids blocked the UV light

Question 4

What was the control in exercise 18?

Answer 4

UV light was blocked on half of the petri by a notecard

Question 5

Which two bacteria were used in exercise 18?

Answer 5

Staphylococcus aureus

Bacillus megaterium

Question 6

What did the results determine to be true about the two different bacteria in exercise 18

Answer 6

Bacillus Megaterium was more resistant to UV light than S. Aureus

Question 7

How did the results of the two bacteria in exercise 18 differ, and why?

Answer 7

B. Megaterium was more resistant because it is a spore former