What type of reaction occurs when a-ketoglutarate is converted to succinate in steps 4 and 5 of the citric acid cycle?
A) oxidative carboxylation
B) oxidative decarboxylation
C) reductive carboxylation
D) reductive decarboxylation
B
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What is true of many industry estimates of the costs associated with pollution control regulations?
A. They are almost always more than the actual costs of complying. B. They typically underestimate the costs, resulting in the need for government assistance. C. They are usually reasonably accurate. D. They are usually quite similar to the estimates provided by environmental groups. E. They are typically quite similar to the governmental estimates.
All of the following are specific ways in which suburbanization has catastrophically affected central cities EXCEPT
A) suburbs have incorporated to avoid paying taxes to central cities. B) decreasing revenues from property, income and sales taxes make it difficult for central cities to provide public services. C) declining population has eroded the political clout of inner city governments. D) all of the above E) none of the above
With billions of dollars already spent to fight AIDS and the need for much higher spending, which of the following represents the best strategy to fight AIDS worldwide?
A) Increase preventive measures to slow new infections, especially changes in sexual behavior. B) Create, manufacture, and distribute as widely as possible a new AIDS vaccine. C) Produce generic versions of drugs known to be affective against HIV. D) Adopt policies to quarantine large populations of HIV-infected people to prevent the further spread of HIV.
The bacteria that cause Lyme disease are transmitted to humans directly by ____.
A. foxes B. deer C. white mice D. field mice E. ticks