Answer:
Mutations in regulatory proteins during the cell cycle may cause affected cells to divide uncontrollably
Explanation:
I have no idea i just wanted to write this
The right answer is the option a, part of a binary system<span>. A binary system is two astronomical bodies which orbit one around each other due to the gravitational atraction that they mutually exert on each other. . On the other hand, Sun is a yellow star, a main sequence star and of average absolute magnitude. </span>
