5 Questions
If cells were exposed to UV light, the highest frequency of repair would be obtained if the cells were immediately:
placed in the dark
Which factor is essential for the highest frequency of repair after cells are exposed to UV light?
Immediate placement in the dark
How can repair frequency be maximized for cells exposed to UV light?
By placing them in the dark
All plasmids:
code for non-essential functions.
Which is true about plasmids?
All plasmids code for non-essential functions.
Study Notes
Effects of UV Light on Cells
- Cells exposed to UV light require specific conditions to obtain highest frequency of... (answer not provided in the text)
- Placing cells in the dark immediately after UV exposure is one of the possible conditions
- Exposure to visible light is another possible condition
- Shaking cells vigorously or incubating at a temperature below optimum for growth are also possible conditions
Characteristics of Plasmids
- Not all plasmids carry genes for antimicrobial resistance
- Not all plasmids encode mechanisms for transmission to other bacteria
- Plasmids do not always occur in multiple copies in the cells
- Plasmids typically code for non-essential functions
Test your knowledge of biology with these questions about cell exposure to UV light and plasmids in bacteria. Learn about the effects of light on cells and the characteristics of plasmids.
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