Original Project
Reproduction, Genes, and Heredity
The protein molecules an organism makes affect the organism’s physical traits, physiology, and behaviors.
Item RH022001: Protein molecules speed up chemical reactions in cells and help other molecules get in and out of cells.
Which of the following are functions of protein molecules within cells?
- Protein molecules speed up chemical reactions in cells and help other molecules get in and out of cells.
- Protein molecules speed up chemical reactions in cells but do not help other molecules get in and out of cells.
- Protein molecules help other molecules get in and out of cells but do not speed up chemical reactions in cells.
- Protein molecules do not speed up chemical reactions in cells or help other molecules get in and out of cells.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 611 | 1798 | 34% |
| Grades | |||
| 6–8 | 331 | 1069 | 31% |
| 9–12 | 280 | 729 | 38% |
| Gender | |||
| Male | 280 | 862 | 32% |
| Female | 316 | 902 | 35% |
| Primary Language | |||
| English | 549 | 1629 | 34% |
| Other | 51 | 142 | 36% |