the compound 3,5,4-trihydroxy-trans-stilbene (aka resveratrol) is a polyphenol found in various plants, especially in the skin of red grapes. how many H NMR signals are present

not sure if this is what you'r looking for eubacteria and archaebacteria

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.