Two organisms are very similar both in terms of molecular and physical characteristics
However, there is at least one characteristic that is not shared by these organisms—each
organism has at least one evolutionary novelty that is not present in the other organism and
thus these organisms do not interbreed. As a result, what is likely the lowest taxonomic
classification that is shared by these organisms?
a. species
b. genus
c. family
d. order
B
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A benign tumor (select all correct choices):
A. is a mass of rapidly dividing cells. B. has clear boundaries encapsulating it and is not invading nearby tissues. C. rarely has life-threatening effects unless it is interfering with the function of a vital organ. D. has defects in the regulation of cell division.
Vanillin is to flavonoids as atropine is to
A. flavonoids. B. terpenoids. C. polyketides. D. alkoloids. E. B-carotenes.
If you contrast the salt and water balance adaptations of freshwater and saltwater fishes, you find that
A. freshwater fishes do not drink water. B. saltwater fishes do drink water. C. freshwater fishes actively transport salts into their bodies at the gills. D. saltwater fishes actively transport salts out of their bodies at the gills. E. All of the choices for this question are correct.
Which of the following is not a product of the TCA cycle?
A) CO2 B) ATP C) NADH D) acetyl CoA E) FADH2