MEGA
Energy in Biology
Cellular respiration is a chemical process in which the bonds between atoms of food molecules and oxygen molecul…
Item EB020002: The reactants of photosynthesis have less energy than the products.
Photosynthesis is a chemical reaction that occurs in a plant as the sun shines on it. Which of the following graphs compares the amount of energy in the photosynthesis reaction system before the reaction occurs (only reactant molecules are present) and the amount of energy in the system after the reaction occurs (only product molecules are present)?
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 34 | 120 | 28% |
| Grades | |||
| 6–8 | N/A | N/A | N/A |
| 9–12 | 32 | 112 | 29% |
| Gender | |||
| Male | 18 | 67 | 27% |
| Female | 12 | 41 | 29% |
| Primary Language | |||
| English | 30 | 106 | 28% |
| Other | 2 | 5 | 40% |
- Distribution of Responses
- Points Earned
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 80 | 144 | 56% |
| Grades | |||
| 6–8 | N/A | N/A | N/A |
| 9–12 | 77 | 135 | 57% |
| Gender | |||
| Male | 46 | 85 | 54% |
| Female | 26 | 43 | 60% |
| Primary Language | |||
| English | 71 | 122 | 58% |
| Other | 3 | 9 | 33% |