It is B, I am pretty sure
Answer:
Explanation:
T cells are arguably the most important cells in immunity, as they are required for immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells. As dramatically demonstrated in AIDS patients, without helper T cells we cannot defend ourselves even against many microbes that are normally harmless.
The correct answer is C. Clavicle and scapula
Explanation:
The pectoral girdle, also called the shoulder girdle refers to a set of bones that connect the arm to the rest of the skeleton. In human beings and many other species, the pectoral girdle consists of the clavicle that is a long bone that goes from the shoulder to the sternum and the scapula that is a flat bone and goes from the upper zone of the arm to the clavicle. Additionally, in some species, the shoulder girdle includes a third bone called coracoid. According to this, the pectoral girdle consists of the clavicle and the scapula.
Answer:
RNA moves the DNA code to the ribosomes for protein synthesis.
