The only consumables that is not digested and is immediately absorbed, would be water, it is nothing but a polar compound that does not yield as much energy as all of the other molecules.
Well, two chemicals that result from rhodopsin decomposing would be Retinal and Opsin.
hope it helped :))
NAD+ accepts a hydrogen ion (H+) and two electrons (2e−), as it becomes reduced to NADH + H+. The NADH moves to the electron transport chain and donates a pair of electrons (becomes oxidized) to the first compound in the chain.
Explanation:
Water because hydro means water
I honestly think it is D. Impulses.