Posted: September 12th, 2015
An example of active immunity is the transfer of A. antibodies through the placenta. B. immunoglobulins through breastfeeding. C. antigens through vaccination. D. immune cells through a blood transfusion. 7. Which of the following classes of biological molecules include enzymes? A. Carbohydrates B. Lipids C. Proteins D. Vitamins
Place an order in 3 easy steps. Takes less than 5 mins.