What two structures generate the cells responsible for immune responses? (A) B lymphocytes and T lymphocytes
(B) thymus and lymphocytes
(C) bone marrow and lymphocytes
(D) bone marrow and thymus

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer