Water molecules are polar because
a) water molecule has a linear shape
b) water molecule has a bent shape
c) oxygen atom has fewer electrons around it
d) hydrogen atom forms an ionic bond with oxygen

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

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.