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:
Answer:
You didn't seem to add who Alison is, but the answers give me enough to say which answer is correct.
Of course, there is a very large difference between feeling down and having a serious problem.
Not wanting to go back to school after summer break is completely natural and makes sense, it is just feeling down.
Feeling different from your friends is an issue that people often say isn't that bad, but it is, though rarely requires medical help.
Hearing voices is something that does require medical/professional help. This has a very high chance of being due to schizophrenia, bipolar disorder, and sometimes things such as lack of sleep, drug use, or extreme hunger. Hearing voices is the answer. These issues are serious mental health issues that will definitely need professional help.
Answer: To maintain Cellular respiration
Explanation:
The body must take in oxygen so that the blood cells can absorb it. This allows the blood cell to release CO2. Therefore, Inhaling oxygen is necessity for maintaining cellular respiration.
I believe that you shouldn't use l<span>ow intensity (light weights) if you want to build muscle mass.
</span>These types of weights won't help you much define the muscles you want to have, as opposed to free weights, weight machines, and high intensity (heavy weights) which definitely will. So if your goal is to build muscle mass, avoid light weights.
