Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor. hope this helps
Explanation:
A) germination, there is no plant embryo before pollination
AB- is the blood type that is least common and 0+ is the most common
Mitochondria are found in all body cells.
Chloroplasts because that is the substance that gives leaves its green colour and also helps in photosynthesis
