Exhibit 19A the Following Compounds Are All Intermediates in the Citric

question 3

Multiple Choice

Exhibit 19A The following compounds are all intermediates in the citric acid cycle. Refer to Exhibit 19A. Which intermediate is formed from fumarate?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

Carbon Monoxide

A colorless, odorless, and toxic gas produced by incomplete combustion of carbon-containing materials.

Hydrogen Sulfide

Hydrogen sulfide is a chemical compound with the formula H2S, a toxic, colorless gas with a characteristic odor of rotten eggs, commonly produced by the bacterial breakdown of organic matter in the absence of oxygen.

Neural Integrations

The process by which neurons in the brain combine multiple sources of information to generate a coherent response or action.

PNS

The peripheral nervous system, which consists of the nerves and ganglia outside the brain and spinal cord, connecting the CNS to the limbs and organs.