The conversion of citrate to isocitrate in step 2 of the citric acid cycle involves which of the following sequences of reactions?
A) dehydration followed by hydration
B) hydration followed by dehydration
C) oxidation followed by reduction
D) reduction followed by oxidation
A
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In regard to urban areas, what does the term "incorporation" mean?
What will be an ideal response?
Judge the following sentence according to the criteria given below: The near-term prospect of
developing a method of earthquake prediction is dismal BECAUSE the mechanics of earthquake generation are too complicated to predict based on our current state of knowledge. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect.
Which of the following is true at the time introns are spliced out of mRNA?
A) Neither end of the mRNA has been processed. B) Both ends of the mRNA have been processed. C) Only the 3' end of mRNA has been processed. D) Only the 5' end of the mRNA is has been processed.
Every winter morning when the sun is shining bright, a man living in Montana pulls back the drapes on a large, south-facing window. In this way, he helps heat his home using ________
A) active solar B) passive solar C) radioactive solar D) photovoltaic E) conductive solar