I think computer , hope u got it right
The type of reaction that build proteins from amino acids are dehydration reactions
Light aka the sun I know for a fact
photosynthesis as a whole takes place in the organelle called chloroplast but light reaction takes place in the chloroplast stroma
Humans get there energy primarily from glucose I believe. We break down glucose to get ATP (Adenosine Triphosphate) which is then used to supply energy to our cells in order to function.