An early contributor to the understanding of nitrogen fixation was
A. Hooke.
B. Pasteur.
C. Winogradsky.
D. Beijerinck.
D. Beijerinck.
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Similar body parts that reflect shared ancestry are called __________. Fill in the blank(s) with the appropriate word(s)
When we know what kinds of ____ are present in an organic compound, we can predict its chemical behavior
a. proteins b. enzymes c. triacylglycerols d. macomolecules e. functional groups
Once you have a DNA library, you can be confident you hace successfully cloned the gene of intrest.
a. true b. false
A pelvic examination of a 23-year-old woman showed vesicles and ulcerated lesions on her labia. Cultures were negative for Neisseria and Chlamydia; the VDRL test was negative. Which treatment is appropriate?
A) acyclovir B) metronidazole C) miconazole D) penicillin E) surgery