I’m pretty sure a nucleotide. Since it seems to be made up of a phosphate group, pentose sugar, and nitrogenous base. Hope this helps!
Answer:
B) Centromere
Explanation:
The spindle fibers attach to the centromeres via the kinetichore. If they are damaged, the centromeres may not be able to attach to the kinetichore and pull the chromosomes apart.
A triglyceride is made up of three fatty acids and one molecule of Glycerol.
The placenta produces hormones to help the baby stay healthy and grow it also fights bacteria in the womb
Hi , the answers are:
A. a widely distributed fossil of narrow range in time
B.the beginning of a new or distinctive period
C. a molecule capable of acting as an enzyme
D. animal using only two legs for walking.