Original Project
Matter and Energy in Living Systems
All organisms need food as a source of molecules that provide chemical energy and building materials.
Item BF066003: During diegstion, the protein molecules in the food we eat are broken down into amino acids.
During digestion, what happens to protein molecules in the food we eat?
- They are broken down into amino acids.
- They are broken down into simple sugars.
- They are broken down into carbon dioxide and water.
- Nothing happens to them. Other molecules are broken down during digestion but not protein molecules.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
|||
|---|---|---|---|---|---|---|---|
| n = 3167 |
6–8 n = 1860 |
9–12 n = 1292 |
Male n = 1532 |
Female n = 1585 |
English n = 2851 |
Other n = 236 |
|
| A. | 43% | 39% | 51% | 45% | 42% | 44% | 38% |
| B. | 28% | 28% | 26% | 27% | 28% | 28% | 24% |
| C. | 16% | 18% | 13% | 14% | 17% | 15% | 25% |
| D. | 13% | 15% | 11% | 14% | 12% | 13% | 13% |