Electric current is the flow of particles with a. negative charge b. positive charge c. both positive and negative charges flowing opposite to each other. d. either positive or negative charge depending on the material

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

This drawing shows a human body system. what is the primary function of this body system?

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.