Cyanide Inhibits the Enzyme in the Mitochondrial Electron Transport Chain

question 96

Multiple Choice

Cyanide inhibits the enzyme in the mitochondrial electron transport chain that reduces O₂ to water.Suppose you added cyanide to a suspension of muscle cells from a rat.Which statement is accurate with respect to the effects of cyanide on glucose catabolism?

• A) The citric acid cycle and glycolysis would be inhibited.
• B) The citric acid cycle would be inhibited, but glycolysis would not and so pyruvate would accumulate.
• C) Both the citric acid cycle and glycolysis would be stimulated.
• D) The citric acid cycle would be inhibited, but glycolysis would not and so lactic acid would accumulate.
• E) The citric acid cycle would not be inhibited, but glycolysis would.

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Definitions:

Equilibration

A cognitive development process described by Jean Piaget in which individuals reconcile new information with their existing cognitive schemas, achieving a balance or equilibrium between assimilation and accommodation.

Intellectual Growth

The process of acquiring knowledge, understanding, and critical thinking skills, leading to the development of the mind.

Accommodation

In cognitive psychology, the process of adjusting existing cognitive schemas, perceptions, and understandings to incorporate new information.

Object Permanence

The understanding that objects continue to exist even when they cannot be seen, heard, or otherwise sensed.