To replace damaged and worn out cells
Hydrolysis is the process used to link amino acids together.
The bond found between amino acids is a peptide bond.
A disaccharide is two monosaccharides linked together. A polysaccharide is multiple monosaccharides linked together. An example of a disaccharide is sucrose and an example of a polysaccharide is starch.
How old, is the tree, and does this represent any kind of graph?