What type of vaccine involves host synthesis of viral antigens?
A) conjugated vaccine
B) subunit vaccine
C) nucleic acid vaccine
D) attenuated whole-agent vaccine
E) toxoid vaccine
C
You might also like to view...
The main phenomenon that increases the efficiency of gas exchange in fish gills is the
A. countercurrent exchange mechanism. B. co-current exchange mechanism. C. high degree of oxygen saturation of water. D. back-and-forth movement of water that maximizes oxygen uptake. E. very high blood pressure found in the circulatory system of fishes.
The deer population in many parts of the northeastern United States is perceived to be out of control. What solutions to this problem would you deem to be the most feasible? (Select and defend one or more of the solutions listed below.) a. Increasing human predation by increasing the length of hunting season . b. Lowering the birth rate of the deer by putting out feed laced with
birth-controlchemicals. c. Increasing the rate of predation by re-introducing natural predators such asbobcats and mountain lions. d. There is no absolute correct answer to this question since each choice, althoughit will impact the deer population, has its pros and cons.
With ____ selection(s), the forms of a trait at
both extremes of a range of variation are favored.
a. frequent b. directional c. disruptive d. stabilizing e. mutational
The part of the spirochete that houses the cytoplasm and the nucleoid of spirochetes is called the ________ cylinder.
A. protoplasmic B. mesoplasmic C. cytoplasmic D. ectoplasmic