Without doing any calculations, determine whether the standard entropy change, ΔS°is positive or negative for each of the following reactions. reaction 1: C(graphite) + O2(g) → CO2(g)reaction 2: 2 CO(g) + O2(g) → 2 CO2(g

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.