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.
Read Details2. Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? A) The high specific heat capacity of water allows the body to absorb a large amount of excess heat energy. B) The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas. C) The high surface tension of water contributes to the physical process by which water leaves the body. D) The high melting temperature of water allows the body to remove excess heat through a phase change of water from solid to liquid.
Read DetailsInterpretation 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.
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