Which of the following is a distinct advantage of active immunity over passive immunity?
A. Active immunity provides IgG whereas passive immunity provides IgM.
B. Active immunity enables the development of immunologic memory, whereas no memory develops with passive immunity.
C. Active immunity develops very quickly whereas passive immunity may take months to develop.
D. Active immunity is always natural whereas passive immunity is frequently artificial.
Answer: B
You might also like to view...
"Gluconeogenesis" is the process in which
A. glucose levels are increased in the blood through the breakdown of carbohydrates. B. glucose levels are decreased in the blood through the breakdown of carbohydrates. C. glucose levels are increased in the blood by synthesis of glucose from non-carbohydrate sources. D. glucose levels are decreased in the blood by synthesis of glucose from non-carbohydrate sources. E. amino acids are generated for processes like building muscle tissue.
Pure water has a water activity value of
A. 1.00. B. 0.80. C. 0.70. D. 0.90.
In the biology lab, you observed that your lab partner's blood type is AB. The placement of the A and B molecules on each cell is controlled by proteins, coded by different versions of the same gene. Having both is an example of Select one:
a. incomplete dominance. b. recessive inheritance. c. codominant inheritance. d. independent assortment. e. dominant inheritance.
Which occurs only in anaerobic metabolism of glucose?
A. lactate fermentation B. acetyl CoA formation C. citric acid cycle D. oxidative phosphorylation E. glycolysis