<u>Answer:</u>
The factor that contributes to aging is: A Cells stop dividing after 50 divisions.
<u>Explanation:</u>
- Normally after 40 to 50 divisions the cells stops dividing because they had already lost too much DNA for other divisions.
- So they eventually die, making the appearance like an aged person in any individual.
- As DNA is copied in every cell division process, they tend to loose small part of telomeres in each transfer process.
- Hence, after 50 divisions these cells fails to divide resulting in aging.
I believe that the second option is the best for influencing in a healthy way.
I would go with 4% i dont know
the best temperature for short-term refrigeration storage is:D- Below 41F