Answer:
d. paraffin
Explanation:
Paraffin has low thermal conductivity, a high heat capacity, and is insoluble in water.
No there are no vacuoles in a human but there are in a plant but not humans.
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.