In the anammox process ________.
A. nitrogen gas is evolved
B. all reactions must take place in the absence of O2
C. anaerobic oxidation of ammonia is coupled to the reduction of nitrite
D. All of the choices are correct.
Answer: D
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If at the last minute the pitcher decides to throw a curveball, which tissue responds first?
A. epithelial tissue B. ectoderm C. nerve tissue D. muscle tissue 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 tissues of the vertebrate body? 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?
Any change in allele frequencies in a gene pool
is
a. natural selection. b. macroevolution. c. microevolution. d. mutation. e. artificial selection
A thyroid gland cell secretes thyroid hormones into the blood. This is an example of ____
a. diffusion b. endocytosis c. exocytosis d. osmosis e. facilitated diffusion
Refer to Figure 26-3. The process occurring at point 1 in the life cycle is:
a. fertilization. b. sexual reproduction. c. meiosis. d. asexual reproduction. e. syngamy.