carbohydrates: role: source of energy, supplies immediat energy for cellular activities. , monosaccharides/disaccharides/polysaccharides, polysaccharides: cellulose , monosaccharides: glucose, monosaccharides are simple starting compounds, polysaccharides are bimolecules made of multiple monosaccharides., nucleic acids: nucleotide, 5 carbon ribose, phosphate group, nitrogenous base., DNA (deoxyribonucleic acid), RNA (ribonucleic acid), transmits and translates hereditary or genetic information. , proteins: amino acid, central carbon, carboxyl group, r group, amino group., peptide bond- large bond between amino groups of one amino acid and the carboxyl group of another amino acid., controls rate of reacton, regulate the cell processes, form importat cellular sructures, transport substances in to or out of the cell to help fight diseases. , lipids: glycerol and fatty acid chain, stores enrgy, makes up cell membranes, form water repellent., triglycerides- long term source of energy, saturated - single bond - solid, unsaturated- double bonds - liquid,

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