b. A plant cell has many small vacuoles that store water; an animal cell has a single large vacuole to store wastes.
c. An animal cell has a cell wall to provide structure and support; a plant cell does not.
d. A plant cell has organelles that transform light energy into chemical energy; and animal cell does not.
18. The most important factor in gauging the quality of a scientific theory is
a. The quality and reliability of the data that support the theory
b. The amount of detail provided in the theory
c. How recently the theory has been published
d. The respectability of the scientists forth the theory
19. Which of the following is not an example of quantitative data?
a. The high temperature for each day in May
b. The names of chemicals found in one brand of diet soda
c. The win-loss record of a tennis team since 1990
d. The average growth in height of all sophomores over a year
20. Which tool would a biologist use to view the site of protein production in an animal cell?
a. A microscope
b. A telescope
c. A magnify glass
d. A digital balance