Humans can digest starch but not cellulose because the monomer of starch is glucose, while the monomer of cellulose is galactose starch monomers are joined by covalent bonds and cellulose monomers are joined by ionic bonds the monomer of starch is fructose, while the monomer of cellulose is glucose humans have enzymes that can hydrolyze the α-glycosidic linkages of starch but not the β-glycosidic linkages of cellulose submit rewatch

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.

answer: b

coz red blood cells marrow and circulates the body for 120 days.