RNA polymerase II subunits are in the same family, why would they have such little similarity to each other?

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other