Which of the following best matches a part of a living cell with the function it performs? 1. cytoplasm: fluid which carries the nucleus and other organelles 2. vacuole: fluid which carries the nucleus and other organelles 3. cytoplasm: directs all of the cell's activities 4. vacuole: directs all of the cell's activities

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound