Which value of x from the set {4, 5, 6, 7), makes this equation true?
4(8 - x) = 8

A. 4
B.5
C.6
D.6

Calculate the number of molecules present in 0.750 mol of mgo.

Which type of fossil does this image depict?

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.