Answer: Mitochondria
Explanation: The mitochondria make energy within the cell
Answer:
It is secreted by the renal tubules
Explanation:
Answer:
controlled the fertilization process.
Explanation:
Mendel took precautions to avoid contamination by pollen through self pollination of the P generation. He controlled the fertilization processes between the plants. He self pollinated the first pureline varieties to form the P generation. He then cross pollinated them to get F1 generation. Every step of his experiment was controlled.