A group in which all members have common characteristics is species.
Species is a group of living organisms such as animals and plants.members that have similar characteristics to each other.
Hope this helps :)
C
As the cap helps it to move around while the tail prevents enzymes from eating the RNA
Carbohydrates contain carbon, hydrogen, and oxygen in the molar ratio 1:2:1. The empirical formula for carbohydrates is CH20. The monomers of carbohydrates of are sugars.
I believe the answer is Corticotrophin releasing hormone. Corticotropin-releasing hormone is a peptide hormone involved in the stress response. It is a releasing hormone that belongs to corticotropin-releasing factor family. Its main function is the stimulation of the pituitary synthesis of ACTH, as part of the HPA axis. The Corticotropin releasing hormone derived from the placenta is secreted into the maternal circulation in large amounts during the third trimester of human pregnancy and may have an important role in the onset of labor.