Which form of UV light is most likely to cause pyrimidine dimers? O UVB O UVC O UVA All of the answer choices. O None of the answer choices.

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter14: Dna Structure And Replication
Section: Chapter Questions
Problem 3TYK: Pyrimidines built from a single carbon ring are: a. cytosine and thymine. b. adenine, cytosine, and...
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Which form of UV light is most likely to cause pyrimidine dimers?
O UVB
O UVC
O UVA
All of the answer choices.
O None of the answer choices.
Transcribed Image Text:Which form of UV light is most likely to cause pyrimidine dimers? O UVB O UVC O UVA All of the answer choices. O None of the answer choices.
A mixed sample is collected from a salty environment. Staphylococcus aureus has fermentation-positive and Staphylococcus epidermis has fermentation-negative.
What is the expected result and appearance of the two bacteria on MSA plate?
Staphylococcus aureus has pink colonies, but Staphylococcus epldermis has yellow colonies.
O Staphylococcus aureus has yellow colonies, but Staphylococcus epidermis has pink colonies.
O Staphylococcus aureus has clear zones, but Staphylococcus epidermis has pink colonies.
O Staphylococcus aureus has brown colonles, but Staphylococcus epidermis has yellow colonies.
O Staphylococcus aureus has green colonies, but Staphylococcus epidermis has black colonles.
Transcribed Image Text:A mixed sample is collected from a salty environment. Staphylococcus aureus has fermentation-positive and Staphylococcus epidermis has fermentation-negative. What is the expected result and appearance of the two bacteria on MSA plate? Staphylococcus aureus has pink colonies, but Staphylococcus epldermis has yellow colonies. O Staphylococcus aureus has yellow colonies, but Staphylococcus epidermis has pink colonies. O Staphylococcus aureus has clear zones, but Staphylococcus epidermis has pink colonies. O Staphylococcus aureus has brown colonles, but Staphylococcus epidermis has yellow colonies. O Staphylococcus aureus has green colonies, but Staphylococcus epidermis has black colonles.
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