APFIVE The table shows the rate of protein synthesis in a cell at different times. Which of the following findings best supports the conclusion that the total increase in a cell’s protein concentration is the integral of the synthesis rate with respect to time?
| Time (hours) | Instantaneous Protein Synthesis Rate (a.u./hr) |
|---|---|
| 0 | 10 |
| 2 | 20 |
| 4 | 20 |
| 6 | 15 |
| 8 | 10 |
The integration of the varying instantaneous synthesis rates over time matches the total measured increase in protein concentration.
The instantaneous synthesis rate remains constant, indicating that integration would not yield an increasing protein concentration.
There is no correlation between the integration of the synthesis rate and the measured protein levels, undermining the hypothesis.
The integration of synthesis rates results in a decrease in total protein, which contradicts observed cell growth.
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