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Which of the following biological theories of aging states that people age because their cells' normal metabolism produces unstable oxygen molecules?A. Cellular clock theoryB. Free-radical theoryC. Telomerase-injection theoryD. Hormonal stress theory

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elenacorsan93

Answer:

B. Free-radical theory

Explanation:

The free radical theory statutes that ageing is the result of the accumulation of the damage to cells and tissues caused by reactive oxygen species as a result of aerobic metabolism.

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The biological theory that is based on ageing and states that humans age due to their cell normal metabolism producing unstable oxygen molecules is explained by the radical free theory.

  • The theory states that organisms age due to damages done over the time. A free radical such as melanin are no chemically reactive while there are highly reactive. These free radicals are associated with the oxidative damages.
  • Antioxidants can reduce the ageing process by  certain level.

Hence the option B is correct.

Learn more about the following biological theories of aging.

brainly.com/question/14294179.

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