Original Project
Reproduction, Genes, and Heredity
The protein molecules an organism makes affect the organism’s physical traits, physiology, and behaviors.
Item RH022003: Protein molecules help other molecules get in and out of cells and speed up chemical reactions in cells.
Which of the following are functions of protein molecules within cells?
- Protein molecules help other molecules get in and out of cells, and speed up chemical reactions in cells.
- Protein molecules help other molecules get in and out of cells, but do not speed up chemical reactions in cells.
- Protein molecules speed up chemical reactions in cells, but do not help other molecules get in and out of cells.
- Protein molecules do not help other molecules get in and out of cells, nor do they speed up chemical reactions in cells.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 465 | 1443 | 32% |
| Grades | |||
| 6–8 | 313 | 975 | 32% |
| 9–12 | 152 | 468 | 32% |
| Gender | |||
| Male | 215 | 684 | 31% |
| Female | 235 | 735 | 32% |
| Primary Language | |||
| English | 405 | 1245 | 33% |
| Other | 48 | 159 | 30% |