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.
I wouldn't know how to solve this question since I don't have all the information given to solve this problem. But I'm going with a hypothesis, but if given more information I would be glad to help.
The second generation was the one that was allowed to self pollinate
Answer:
* Obesity
* not enough exercise
* smoking
* old age
* diabetes
Explanation: these are some of the obvious ones the more complicated symptoms you would have to contact a doctor for. Hope this was somewhat helpful.
