Which immunoglobulin class/es can fix complement?
A. IgM and IgG
B. IgM only
C. IgD only
D. IgG only
E. IgE and IgA
Answer: A
Biology & Microbiology
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As one form of energy is converted into another, there is always some energy lost as
a. chemical energy. b. activation energy. c. heat. d. kinetic energy. e. light.
Biology & Microbiology
In what year did chemists begin developing synthetic toxins to protect crops?
a. 1865 b. 1900 c. 1925 d. 1945 e. 1960
Biology & Microbiology
A technique that uses comparisons of many characteristics to help determine phylogenetic relationships is
A. phylogeny. B. DNA analysis. C. cladistics. D. binomial nomenclature.
Biology & Microbiology
The most common type of connective tissue in the human body is
A) fibrous connective tissue. B) adipose tissue. C) loose connective tissue. D) bone.
Biology & Microbiology