22. Protein serve multiple complex functions within biologic…

22. Protein serve multiple complex functions within biological systems. Which of the following is not  an essential function of proteins within an organism? A) Proteins serve as antibodies to fight foreign invaders B) Proteins serve as enzymes to catalyze chemical reactions C) Proteins serve as structural molecules in skin and muscles D) Proteins serve as the major component of the cell membrane of most organisms.

10. A nucleotide is composed of A) a nitrogenous base and a…

10. A nucleotide is composed of A) a nitrogenous base and a phosphate group. B) a nitrogenous base and a pentose sugar. C) a nitrogenous base, a phosphate group, and a pentose sugar. D) a nitrogenous base, a phosphate group, a pentose sugar, and an amino acid.

Interpretation of equations and numerical answers is another…

Interpretation of equations and numerical answers is another fundamentally important concept in this course.  Consider a to be a constant. In the hypothetical equation:  ,  Hint:  In answering these types of questions, you can always try plugging in simple numbers. If you want a calculator in aid in answering any of these questions, click the calculator icon on the far right of this question.