The number of B lymphocytes and T lymphocytes in the blood is an important component of the clinical diagnosis of primary immunodeficiencies. Which disorder would be most likely to lead to low blood counts of T cells and B cells? A. X-linked agammaglobulinemia (XLA)
B. DiGeorge syndrome
C. RAG type SCID
D. X-linked SCID incorrect

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.