David's family is upgrading their water system from their well into their house. They decide to add a UV light system. Which type of UV radiation is probably emitted by the system?
A) UVC
B) UVA
C) UVB
D) UVD
A) UVC
Biology & Microbiology
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Within insects, the main evolutionary dividing line is between those that
A. fly and those that do not fly. B. have lost wings that were present in their common ancestor and those that still fly. C. shed their wings as they molt and those that do not. D. undergo metamorphosis and those that don't. E. have eggshells and those that don't.
Biology & Microbiology
When Mendel crossed a true-breeding purple-flowered pea plant with a true-breeding white-flowered one, ________% of the offspring was white
a. 100 b. 50 c. 0 d. 25
Biology & Microbiology
Which type of fossil is considered a trace
fossil?
a. footprint b. shell c. seeds d. teeth e. spores
Biology & Microbiology
A method enveloped viruses can use to gain entry to the host cell
What will be an ideal response?
Biology & Microbiology