Dimethylaminopyridine (DMAP) is often used as a catalyst in esterification reactions. A basic solvent such as triethylamine is used to react with the liberated proton from the alcohol group. Draw curved arrows to show the movement of electrons in this step of the mechanism.

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Can someone me with these questions plz.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.