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UV Sensitive Yeast Experiment

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Last updated almost 2 years ago
17 questions
3
1
Question 1
1.

How does UV light damage DNA?

1
1
1
1
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3
Question 9
9.

Write down one observation that you have about all the plates.

Question 10
10.

Write down one observation that you have about the Wild-Type Yeast.
Some things you can mention: yeast growth on the plate (a lot, a little, no growth)

3
Question 11
11.

Write down one observation that you have about the UV sensitive yeast with SPF 15

Some things you can mention: yeast growth on the plate (a lot, a little, no growth)

3
3
Question 13
13.

Write down one observation that you have about the UV sensitive yeast that was covered in tin foil

Some things you can mention: yeast growth on the plate (a lot, a little, no growth)

3
Question 14
14.

Write down one observation that you have about the UV sensitive yeast that was not covered (fully exposed to the UV radiation)

Some things you can mention: yeast growth on the plate (a lot, a little, no growth)

2
Question 15
15.

Write down one observation that you have about all four UV sensitive plates.

Some things you can mention: yeast growth on the plate (a lot, a little, no growth)

9
Question 16
16.

In your response, be sure to state if the hypothesis was supported and provide 2 pieces of evidence.

3
Question 2
2.

State one reasons why yeasts are model systems to study the effects of UV light. Hint, there is more information on the next page.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.

Question 12
12.

Write down one observation that you have about the UV sensitive yeast with SPF 70

Some things you can mention: yeast growth on the plate (a lot, a little, no growth)

Question 17
17.

Be sure to state if the claim is supported or not supported. Provide reasoning with evidence from the lab.

What type of yeast cannot repair its DNA when exposed to UV light?
A. Wild-type Yeast
B. UV-sensitive Yeast
According the the hypothesis, what UV senstive yeast will grow the most?
A. UV yeast that is uncovered
B. UV yeast that is covered with SPF 15
C. UV yeast that is covered with SPF 70
D. UV yeast that is fully covered
The independent variable is
A. the sunscreen applied
B. the amount of UV radiation
C. Yeast growth
D. The time that yeast was exposed to UV radiation
The dependent variable is
A. the sunscreen applied
B. the amount of UV radiation
C. Yeast growth
D. The time that yeast was exposed to UV radiation
The yeast was spread on the plate in what type of pattern?
A. Zig-zag
B. Parallel lines
C. an X
D. A tic tac toe pattern
How long were the plates exposed to UV light for?
A. 5 minutes
B. 10 minutes
C. 15 minutes
D. 20 minutes