C
Most prokaryotes with circular genome do not have telomeres.
That will be c) the third one
Parathyriod glands produce a parathyriod hormone aka PTH
The answer would be letter A. globular cluster. This group of very old stars that are clustered together in a spherical in shape and can contain from 10,000 to several million is called a globular cluster. In our galaxy, there are 150 globular clusters.