You notice that over the past month, many students on campus have started wearing a new style of school sweatshirt. You think to yourself that perhaps the bookstore has recently started selling this new sweatshirt style. This is an example of a(n)
A) experimental question.
B) type of observation.
C) hypothesis.
D) experiment.
Answer: C
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Which of the following is not true of RecA binding and function?
A. Single-stranded binding proteins (SSB) bound to single-strand DNA prevent RecA binding. B. RecB recruits RecA to the 3' end of the single-strand overhang. C. RecFOR can recruit RecA to single-strand gaps. D. RecA can displace SSB with the help of RecBCD but not RecFOR complexes. E. RecA is an ATPase as well as a recombinase.
More than 90% of deforestation occurs in tropical regions
a. True b. False
Radially symmetrical animals have a nerve __________. Fill in the blank(s) with the appropriate word(s)
The antibody therapy known as ______ is used to treat multiple sclerosis, hepatitis C, and some cancers.
a. synthetic interferon b. monoclonal antibodies