All of the following are present in both prokaryotic and animal cells except ribosomes

ribosomes

cell wall

cell membrane

When the mercury level in a barometer decreases that atmospheric pressure has

How are the terms group and period used on the periodic table

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