Alternative autotrophic routes to the Calvin cycle such as the reverse citric acid cycle and the hydroxypropionate pathway are unified in their requirement for
A) CO2.
B) coenzyme A.
C) NAD(P)H.
D) organic compound(s) formed.
Answer: A
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Bioluminescence is catalyzed by luciferase, which creates light by
A) shunting electrons from FMNH2 to O2, which releases energy in the form of light. B) reversing photosynthesis. C) hydrolyzing ATP. D) reducing LuxR.
The region within the prokaryotic cell where the DNA is located is known as the ________
Fill in the blank with correct word.
Chronic use of nonsteroidal anti-inflammatory drugs would MOST likely result in:
A) diverticulitis. B) esophageal varices. C) acute gastroenteritis. D) peptic ulcer disease.
Greek philosophers including Aristotle developed a keen appreciation for the study of natural history. Which of the following are contributions made by Aristotle to the study of natural history?
a. his book, Physics and Natural History of Animals b. distinguishing among 500 species of birds, mammals, and fishes c. proposing a taxonomy of nature—a classification system of life. d. All of the above