_____ is the physician first associated with vaccination.
a. Edward Jenner
b. Louis Pasteur
c. Alexander Fleming
d. Robert Koch
e. Joseph Lister
a. Edward Jenner
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A chemical reaction that has a positive ?G is best described as _____
A) endergonic B) entropic C) enthalpic D) spontaneous E) exergonic
When microbes are in a close nutritional relationship and one benefits but the other is not harmed, it is called ________.
A. symbiosis B. synergism C. mutualism D. commensalism
Two pure-breeding mutant plants produce white flowers. When they are crossed, all of the progeny have wild-type purple flowers. What does this genetic complementation tell you?
A) The genes are part of distinct biosynthetic pathways. B) The two lines exhibit different mutations in the same gene. C) More than one gene is involved in determining the phenotype. D) The allele is pleiotropic. E) The allele exhibits incomplete dominance.
What would happen in each of the following cases? Assume in each case that the protein involved is a soluble protein, not a membrane protein
A. You add a signal sequence (for the ER) to the N-terminal end of a normally cytosolic protein. B. You change the hydrophobic amino acids in an ER signal sequence into charged amino acids. C. You change the hydrophobic amino acids in an ER signal sequence into other hydrophobic amino acids. D. You move the N-terminal ER signal sequence to the C-terminal end of the protein.