homework help 499

17.) Carbohydrates, examples, characterstics 18.) Mono and polysaccharides, starch, sucrose, fructose, glucose, ,,table sugar maltose, galactose, lactose 20.) What is the difference between cellulose and starch? 21.) What does glycosylation do to a protein or lipid? 22.) Protein: define, cite examples 23.) What are amino-acids; how many are there? 24.) What is collagen? What is x-pro-gly and why does it form a spiral helix? 25.) Define denaturation, catalysis Chapter 3 1.) What are the major components of a cell? (include organelles) 2.) Define cytoplasm, cytosol 3.) How do proteins move with respect to the PM?