A would be the best answer out of these choices because it’s closest to hot during the day and cool at night
Four ATP molecules are produced during the Krebs cycle. The final step of cellular respiration is the electron transport chain.
Not sure what you mean but here's what i think
1.They are substrate-specific, because it's a lock-and-key mechanism.
2. They are re-used
3. They can catalyze reactions
4. They decrease activation energy
5. They are proteins by nature.
Linear because if you were to chart or graph it, the line would remain constant.
