Antitoxins
A. include capsule material against the pneumococcus and meningococcus.
B. contain purified, chemically denatured bacterial exotoxin.
C. contain antibodies to neutralize specific toxin.
D. use vaccinia virus with genetic material of bacterial toxins.
E. contain attenuated organisms.
Answer: C
You might also like to view...
Which of the following types of cloning vector can carry the largest amount of foreign DNA?
A. plasmid B. bacterial artificial chromosome C. cosmid D. bacteriophage
Birds living in a cold environment tend to have
a. long legs and larger bodies. b. long legs and smaller bodies. c. short legs and larger bodies. d. short legs and smaller bodies. e. the leg length and body size of birds does not relate to the environment.
Which process used to solve problems in science involves accumulating facts through observation until the evidence leads to a general statement about nature?
A) deductive reasoning B) hypothesis C) inductive reasoning D) theory
The fibrous sac that surrounds the heart and produces lubricant for heart contraction is the
A) myocardium. B) pericardium. C) endocardium. D) epicardium. E) reticulocardium.