11. Myoglobin's secondary structure is primarily composed of________.(A)parallel B-sheets(B)antiparallel B-sheets(C)a-helices(D)2-loops(E) polyproline helices

7.The isoelectronic point of an amino acid is the point where (A)the pKa of the a-carboxylic acid is the same as the pK, of the a-amino group. (B)the a-carboxylic acid is protonated and the a-amino group is unprotonated. (C)the solubility of the amino acid is maximized. (D)the a-carboxylic acid and the a-amino group are both half protonated.(E)the amino acid carries no net electrical charge.

11. Myoglobin's secondary structure is primarily composed of________.
(A)parallel B-sheets
(B)antiparallel B-sheets
(C)a-helices
(D)2-loops

(E) polyproline helices

相關試題

相關試卷