The preferred preventative measure for polio in the United States is the
A. inactive vaccine developed by Albert Sabin.
B. oral, active vaccine developed by Albert Sabin.
C. oral, active vaccine developed by Jonas Salk.
D. inactive vaccine developed by Jonas Salk.
E. No preventative measures are used because polio has been eradicated in the United States.
Answer: D
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Which statement is true for exergonic reactions?
a. A net input of energy is necessary for the reaction to proceed. b. The products have less free energy than the reactants. c. The products have more free energy than the reactants. d. The reactants will always be completely converted to products. e. The entropy of the system is reduced.
What are atmospheric low pressure zones? Where are they found, and why are these zones significant for traditional marine navigation?
What will be an ideal response?
What are histones, and how are they arranged in nucleosomes?
What will be an ideal response?
To make a typical Southern blot, genomic DNA is extracted and cut into fragments and the fragments are separated by ____________________
Fill in the blank(s) with correct word