What is the element with the lowest electronegativity value? A. calcium
B. bromine
C. potassium
D. fluorine

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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.

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid