Aside from an amino group, what else do all amino acids contain? hydrophilic tail false carboxylic acid chains false carboxyl group true ribose sugar false Single Which of the following is an aromatic amino acid? histidine false glutamine false tryptophan true proline false Single What determines the shape and function of a protein? Its primary structure true Its secondary structure false Its tertiary structure false Its quaternary structure false Single When meat is cooked, it tends to shrivel. This is because its component proteins underwent: dehydration false decomposition false denaturation true degeneration false Single The five-carbon sugar that forms part of a DNA molecule is called? D-glucose false D-galactose false deoxyribose true dextrose false Single What cyclic amine base does uracil always combine with? adenine true uracil false thymine false guanine false Single What saccharide is found in the cell walls of plants that gives them a rigid structure? starch false cellulose true chitin false pectin false Single The soft waxy solid that forms when a soup of bulalo cools is an example of: carbohydrate false protein false lipid false triglyceride true Single Which of the following synthetic macromolecules is commonly used to make pipes, chairs, and insulating material? silicone false polycarbonate false polyurethane false polyvinyl chloride true Single Which of the following objects consists of the synthetic macromolecule Kevlar? waterproof shoes false badminton racket strings false non-stick pans false bullet-proof vests true Single