Which of the following results when ethanol is allowed to oxidize to acetic acid following the fermentation of fruit, grain, or vegetables?
A. beer
B. wine
C. champagne
D. vinegar
E. malt
Answer: D
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Which protein is defective in cases of Duchenne muscular dystrophy?
a. dystrophin b. albumin c. fibrillin d. fibrinogen e. fibrin
Table salt forms from sodium and chloride via hydrogen bonding.
Answer the following statement true (T) or false (F)
What characteristic does Vibrio share with Salmonella?
A) Both have O polysaccharide antigens. B) Both are oxidase positive. C) Both have polar flagella. D) Both have similar shape. E) Both are spread primarily by fecal contamination.
What ensures the one-way direction of an action potential?
A. Conduction of an action potential is an all-or-none event. B. An axon can conduct a volley of action potentials very quickly. C. Action potentials are self-propagating. D. An action potential at one node causes an action potential at the next node. E. As soon as the action potential has passed by, that portion of the axon undergoes a short refractory period.