Item CE093002: Small molecules enter the cell through the cell membrane.
What is TRUE about small molecules such as amino acids, fatty acids, and simple sugars entering a cell?
- Small molecules cannot enter a cell because the interior of a cell is solid.
- Small molecules cannot enter a cell because the interior of a cell is already filled with air.
- Small molecules cannot enter a cell because the interior of a cell is already filled with water.
- Small molecules enter a cell by passing through a membrane that covers cells.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 4282 | 6391 | 67% |
| Grades | |||
| 6–8 | 2551 | 3985 | 64% |
| 9–12 | 1723 | 2388 | 72% |
| Gender | |||
| Male | 2024 | 3126 | 65% |
| Female | 2181 | 3145 | 69% |
| Primary Language | |||
| English | 3830 | 5683 | 67% |
| Other | 355 | 555 | 64% |