This letter describes a form of carotene that causes the coloring of carrots and is a precursor to Vitamin A. A motif described by this letter consists of parallel or antiparallel strands in a pleated structure.
The breakdown of fatty acids in the mitochondria is a class of oxidation described by this term. Cephalosporins, carbapenems, and penicillins form a class of lactam-based antibiotics described by this term. This type of amyloid peptide forms the characteristic plaques of (*) Alzheimer's disease. This letter describes a form of carotene that causes the coloring of carrots and is a precursor to Vitamin A. A motif described by this letter consists of parallel or antiparallel strands in a pleated structure. For 10 points, name this Greek letter that describes a "sheet" structure contrasted with alpha helices.
The breakdown of fatty acids in the mitochondria is a class of oxidation described by this term.
beta (accept beta oxidation, beta-lactams, beta-amyloid, beta-carotene, beta-sheet)