What is the difference between B-cell lymphocytes and T-lymphocytes? A. B cells regulate blood pH, and T cells regulate body cell. B. B cells are produced in the thymus , and T cells are produced in the bone marrow. C. B cells engulf bacteria, and T cells carry bacteria to the lymph notes. D. B cells produce antibodies , and T cells destroy infected cells.

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins