Answer:
is a highly glycosylated and big type I transmembrane fusion protein that is made up of 1,160 to 1,400 amino acids, depending upon the type of virus.
Explanation:
This varies from person to person. There is a point in time at which hormones in a persons body begin to loose their effective functions, a period I have heard reffered to as adult puberty. In women this is marked by menopause. While you can still theoretically maintain a healthy body at this time, it becomes increasingly difficult. Maintaining a healthy diet and constant exercise are essential to achieving this. A doctor won't tell you much more than this.
Depends on genetics, past attempts, there’s not a straight precent there’s a lot of factors.
