A gram-negative, polarly flagellated, aerobic bacillus-shaped bacterium that can degrade a large variety or aromatic compounds is likely a(n)
A) actinobacterium.
B) enteric.
C) pseudomonad.
D) sphingomonad.
Answer: D
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Salivary amylase:
A. starts the chemical digestion of carbohydrates in the mouth. B. starts the chemical digestion of carbohydrates in the stomach. C. starts the chemical digestion of proteins in the stomach. D. starts the chemical digestion of fats in the mouth. E. starts the chemical digestion of proteins in the mouth.
Compound B is a ____________________.
Assume that you are taking an organic chemistry class. Your teacher has given you four organic compounds to analyze. She tells you that one is a carbohydrate, one is a hydrocarbon, one is a nucleic acid, and one is a protein. You discover that Compound B contains only carbon, hydrogen, and oxygen. Of the four types of compounds which were given to you to analyze, which one best describes Compound B?
Darwin's ideas on evolution were advanced for his time. His approach to science and natural selection were supported by what main tenet?
A. Species were unchangeable over the course of time. B. Operation of natural laws produces constant change and improvement. C. Various organisms and their structures resulted from a spontaneous action. D. The world is fixed and constant.
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?