The macromolecule polysaccharide carbohydrates cellulose and starch are composed of are comprised of glucose chains. Both energy and cell walls are stabilized in plants.
It is well known that carbohydrates play a critical role in plants by serving as important energy sources, carbon skeleton for organic molecules, and storage materials. The photosynthesis process produces carbohydrates. Since they are composed of extended chains of glucose molecules, starches and cellulose are two examples of carbohydrates that fall within the larger category of polysaccharides. Although they are similar, the human body can only utilise starches as an energy source whereas cellulose gives plant cell walls structure.
(1. Macromolecules are the biological molecules necessary for life. Cells need macromolecules for different functions from energy storage to membrane transport Each class of macromolecule serves a different function. Which macromolecule would serve as an energy source for the cell and is used as a component in the cell wall of plants ?
A. Carbohydrates
B. Lipids
C. Nucleic Acids
D. Proteins)
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