There could be a lot of reasons. To help break down food for the plants, kill off bad and harmful things that might damage the plant.
Answer:
The Digestive System absorbs nutrients from food and delivers them to the bloodstream, where the Circulatory System transports them to their destination. Filters waste from meals and transports it through the intestines and out of the body.
Explanation: Answer above
Answer: p53
Explanation:
In most cases, the p53 gene is mutated, giving rise to a stable mutant protein whose accumulation is regarded as a hallmark of cancer cells.
The answer is C. Aromatase
Lipids , lipids , and lipids x'D