The answer to your question is true.
Answer:
<h2>Don't know....</h2>
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Answer:
Genetic mutations causing the malfunction or absence of one or more of the regulatory proteins at cell cycle checkpoints can result in the "molecular switch" being turned permanently on, permitting uncontrolled multiplication of the cell, leading to carcinogenesis, or tumor development.
Explanation:
sadece biraz translated english: just a little
I also know spanish japanese and of course english
Not enough detail.
One way is the verbal Rating of perceived exertion scale 6-20
Another is heart rate range compared to their Max heart rate 220-age