Chapter 3 - The Cell (Human Anatomy and Physiology 2nd Edition - Erin Amerman)

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) What is NOT one of the three main parts of a cell? 1) A) cytoplasm C) plasma membrane B) nucleus D) extracellular fluid Answer: D 2) What is NOT a function of the plasma membrane? 2) A) catalyze macromolecules into subunits C) structural support B) isolate the cell from its surroundings D) communication with other cells Answer: A 3) Cytosol is also known as: 3) A) blood plasma. C) intracellular fluid (ICF). B) extracellular fluid (ECF). D) the cytoskeleton. Answer: C 4) The main component of the cytosol is: 4) A) water. B) the nucleus. C) organelles. D) sugars. Answer: A 5) Molecular machines that perform specific functions for the cell are: 5) A) the plasma membrane. B) cytosol. C) the cytoskeleton. D) organelles. Answer: D 6) Which of the following best describes the structure of the plasma membrane? 6) A) The plasma membrane is a phospholipid bilayer surrounding the cell. B) The plasma membrane is composed of cristae. C) The plasma membrane is a double layer of protein enclosing the plasma. D) The plasma membrane is a single-layered membrane that surrounds the nucleus of the cell. Answer: A 7) Which of the following would NOT be a component of the plasma membrane? 7) A) glycoproteins B) cholesterol C) phospholipids D) cytoskeleton Answer: D 8) Which of the following is NOT a function of the plasma membrane proteins? 8) A) acting as enzymes B) stabilizing temperature C) acting as carri