They are called stem cells. This cells are undifferentiated which means it can specialize in other types when it receives the right stimuli. They can divide through mitoses and become more stem cell or become a bone, muscle, blood cell, etc.
They can have 2 origins: embryos or some human tissue; their function is to regenerate or substitute damaged cells
Answer:
oxygen combines with small molecules. energy is released and it happens in the cytoplasm
Explanation:
Answer:
every action has an equal and opposite reaction
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Answer:
Hi there!
The answer is eleven billion years old.
