Which of the following is categorized as a metalloid or semi-metal? a. Pd
b. Xe
C. Ca
d. si

Describe the interaction that occurs between two objects with the same electrical charge.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

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.