Original Project
Reproduction, Genes, and Heredity
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.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 1443 |
6–8 n = 975 |
9–12 n = 468 |
Male n = 684 |
Female n = 735 |
English n = 1245 |
Other n = 159 |
|
| A. | 32% | 32% | 32% | 31% | 32% | 33% | 30% |
| B. | 29% | 29% | 29% | 31% | 29% | 28% | 39% |
| C. | 25% | 25% | 25% | 25% | 26% | 26% | 17% |
| D. | 13% | 13% | 13% | 13% | 14% | 13% | 14% |