Answer:
The telomerase gene is being expressed.
Explanation:
Telomerase is the enzyme responsible for maintenance of the length of telomeres by addition of guanine-rich repetitive sequences. Telomerase activity is exhibited in gametes and stem and tumor cells.
Independent telomerase functions can be also involved in cell cycle regulation.
What we usually add to another bill because it's unlikely to pass on its own would be a rider - a.
When we add riders to bills, we're hoping that these riders will increase the likelihood of the bill being passed where all the parties involved would also be happy about the recent changes (Which came from the rider).
