Příklad: Do hrnku s 200 g čaje jsme nasypali 5 g cukru (jeden sáček porco-
vaného cukru). Vypočítejte, kolik procent cukru roztok čaje obsahuje.
K výpočtům můžete použít kalkulátor (obr. 42a, b).

Which best describes how johannes kepler developed his laws of planetary motion

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?

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.