D.)The enzyme changes shape and no longer fits the substrate.
High temp causes enzymes to speed up the reaction but too much heat and the enzyme might denature, losing its shape.
Beacuse they died long time ago
The answer to this is the nucleus
Explanation:
mitochondria is a double membrane bound cell organelle,oval or cylindrical in shape.
<h3 /><h3>function</h3>
- regulate calcium ions in cells
- formation of yolk
- help in synthesis of photosynthetic pigments
- can synthesize store and distribute energy in the form of ATP whenever required
