Arsenic poisoning can lead to organ failure and death. Though arsenic can inhibit or interfere with a number of cellular enzymes, arsenic poisoning is thought to be mainly due to indirect inhibition of enzymes involved in both pyruvate oxidation and the Citric acid cycle. As a result, this compound must be able to enter which cellular compartment?
A. The intermembrane space of the mitochondria
B. The cytoplasm
C. The endoplasmic reticulum
D. The nucleus
E. The mitochondrial matrix
Answer: E
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Fill in the blank with correct word.
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