Which of the following bacterial genera plays an important role in environmental nitrogen cycles?
A) Nitrobacter
B) Rhizobium
C) Azospirillum
D) both Nitrobacter and Rhizobium
E) Nitrobacter, Rhizobium, and Azospirillum
E
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Answer the following questions true (T) or false (F)
1. Only eukaryotic cells depend on ATP. 2. Given enough time, sucrose can spontaneously break down into fructose and glucose in a glass of water. 3. Enzymes themselves are altered in the process of catalyzing chemical transformations.
When one muscle group is stimulated, no nervous signals are sent to the opposing group. This is the
result of a. reciprocal innervation. b. lack of innervation. c. hyperreflexia. d. compensation. e. depolarization.
A farmer’s land includes a wilderness area that is home to an endangered species of bird. He wants to sell the land to a developer, and you have been hired to evaluate the environmental concerns. “This little patch of land is not crucial for the bird species!” the farmer says, “In fact, my land is surrounded by several other wilderness patches that also have that bird.” You reply: “It is possible that your land acts as the ____________ and the other areas are ___________ . If that's the case, development would be devastating to the population."
A. sink; sources B. source; sinks C. population; metapopulation D. metapopulation; population Clarify question: What type of thinking is required? Gather Content: What do you already know about metapopulations? 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? Reflection 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?
A transgenic organism is one that
A) changes gene frequency over time. B) provides gene information to another organism. C) changes gender over time. D) has received genetic information from another organism.