試題詳解

23 Jams, jellies, preserves, honey, and other foods with high sugar content hardly ever become contaminated by bacteria, even when the food containers are left open at room temperature. Which of the following statements best explains the inability of bacteria to survive in such an environment?
(A)they undergo death as a result of water loss from the cell
(B)they are unable to metabolize the glucose or fructose and thus starve to death
(C) they are obligate anaerobes
(D) they are unable to swim through these thick and viscous materials