Which of the following statements are not true: (you can pick more then one) a)protons have a tendency to want to repel each other in the nucleus; therefore, strong nuclear forces are very important in keeping the nucleus intact. b)protons and neutrons naturally repel each other; therefore, the atomic nucleus is usually at the verge of splitting apart. c)the nucleus is held together by binding energy between protons and electrons d)protons and electrons naturally repel each other; therefore, protons stay in the nucleus

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.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

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