are also known as because they are made of repeating small units Biological macromolecules are organic because they contain element include 4 main groups are made of 20 assists in protein synthesis include biological catalysts called also known as sugars include mostly hydrophobic in wrong conditions lose shape main classes are stores genes disaccharide their monomers are some have structural roles such as main component of cell membranes such as glucose and fructose include important hormones such as solid form is called used by plants to store energy stored in adipose tissue Word bank: main component of dietary fiber stored in granules by liver cells amino acids carbohydrates carbon cellulose collagen denaturation DNA enzymes estradiol fats glycogen lipids monomers monosaccharides nucleic acids nucleotides phospholipids polymers polysaccharides proteins RNA starch steroids sucrose testosterone triglycerides