A) remain in the body after production
B) flag antigens for destruction
C) are an important part of the immune system
D) all of the above
D) ALL ARE CORRECT!!
An organism that is made up of more than one cell.
Answer:
Telomerase
Explanation:
Telomerase enzyme catalyze the reaction of maintaining the length of telomeres, preventing it from degradation or shortening by adding guanine rich sequences towards the end of DNA. Telomeres basic function is to maintain and protect our genetic information because every time DNA replicates a short piece of chromosome is lost.
Answer: The nineteenth century the 1800s.
Explanation: