In which reaction water molecule needs to be added ?
To form proteins from amino acids
To form esters
To form monosaccharides from Polysaccharides
All
Water molecule is removed when macromolecules like Carbohydrates, Proteins and Lipids are formed and this is Condensation reaction.
However, breakdown of these macromolecules results in micromolecule formation and this is due to addition of Water . This is hydrolysis reaction