Osteoblasts are the cells in the bone tissue that are responsible to form bone tissue itself. This is the process that allows bones to grow. To counteract this process, osteoclasts, another type of cell from the bone tissue, have the role to break down bone tissue by molecular processes - enzymatic and chemical.
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could you type the whole question if it isnt complete
Because they would kill each other
The answer is C. Insertion. The question asks for a mutation; insertion is a frameshift mutation. Crossing over is not a mutation because it occurs during meiosis when the chromosomes trade information!! ;)
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Different ecosystems have different levels of consumers, all end with one top consumer. Most energy is stored in plants and oxygen, and as the consumers eat these plants they take up a small amount of energy. This energy in the herbivores and omnivores is then consumed by carnivores.