Answer:
B
Explanation:
The structure of the mitochondrion is key to the process of aerobic (in the presence of oxygen) cellular respiration, especially the Krebs cycle and electron transport.
Answer:
The activation energy must be reached. The catalyst makes lower energy pathways available.
Explanation:
Increasing predator population
Hormones - they travel through the blood to other parts of the body. Hope This Helps!
Answer: Observable properties
Explanation: