Original Project
Reproduction, Genes, and Heredity
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.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 1798 |
6–8 n = 1069 |
9–12 n = 729 |
Male n = 862 |
Female n = 902 |
English n = 1629 |
Other n = 142 |
|
| A. | 34% | 31% | 38% | 32% | 35% | 34% | 36% |
| B. | 27% | 28% | 24% | 27% | 26% | 27% | 25% |
| C. | 25% | 26% | 23% | 23% | 26% | 24% | 27% |
| D. | 15% | 15% | 14% | 17% | 12% | 15% | 12% |