Question

7 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? multiple choice the intermembrane space of the mitochondria the mitochondrial matrix the cytoplasm the nucleus the endoplasmic reticulum

Explanation:

Pyruvate oxidation and the Citric - acid cycle occur in the mitochondrial matrix. For arsenic to inhibit enzymes involved in these processes, it must enter the mitochondrial matrix.

Answer:

B. The mitochondrial matrix