Which of the following best summarizes the relationship between dehydration reactions and hydrolysis?
A) Dehydration reactions assemble polymers; hydrolysis reactions break polymers apart.
B) Dehydration reactions eliminate water from membranes; hydrolysis reactions add water to membranes.
C) Dehydration reactions and hydrolysis reactions assemble polymers from monomers.
D) Hydrolysis reactions create polymers and dehydration reactions create monomers.
A
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Tim, who is an avid cyclist, is struck by a car during an organized bike ride. Two of his ribs are broken, puncturing his chest wall on the right side. What will most likely happen to his lungs?
A. His left lung will be okay, but his right lung will collapse. B. Both lungs will overinflate. C. Both lungs will collapse. D. His left lung will be okay, but his right lung will overinflate. E. His right lung will overinflate and his left lung will collapse. F. His right lung will collapse and his left lung will overinflate. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the respiratory passages? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process 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?
The most important evidence that Darwin used
to develop his theory of natural selection came from a. the Argentine pampas. b. his boyhood neighborhood in England. c. the Galápagos Islands. d. Australia and New Zealand. e. South America.
In nearsightedness, light rays are brought into focus
A. in back of the retina. B. in front of the retina. C. on the retina. D. unevenly across the retina. E. on the hair cells of the ampulla.
Zoos often loan animals to other zoos for breeding purposes. From an evolutionary standpoint, what is the benefit?
A) It increases the genetic diversity of the zoo's population. B) It creates a bottleneck effect. C) New animals increase zoo revenues. D) It increases the effects of natural selection on the population. E) It increases the rate of random mutations.