試題詳解

19. Which of the following statements about biomolecules is TRUE?
(A) Messenger RNA can be found in both the nucleus and the cytoplasm of each cell.
(B) Nonpolar groups tend to face the outside of a protein in aqueous solution.
(C) Nucleic acids are made of nucleotides joined together with amide bonds.
(D) A glycosidic linkage in polysaccharides is an ester group.
(E) Table sugar is formed from B-D-glucose and B-D-fructose.