Which of the following statements regarding Streptococcus pyogenes is FALSE?
A) It produces protein A, which inhibits opsonization.
B) It is beta-hemolytic.
C) It has group A Lancefield antigens.
D) It produces streptolysins.
E) It can be lysogenized by a temperate bacteriophage to produce erythrogenic toxins.
A
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Mitotic recombination occurs between homologous chromosomes. In which of the following would you not expect to encounter mitotic recombination?
A. The fungus, Aspergillus nidulans B. Tobacco plants C. Homo sapiens D. Drosophila melanogaster
Which of the photographs in the above figure
represents the angiosperms? a. moss b. fern c. conifer d. monocot e. all of these
__________ are the receptors that are probably most numerous and active in the body
a. Proprioceptors b. Nociceptors c. Chemoreceptors d. Mechanoreceptors e. Electrorecepto
Biomagnification results in an increased concentration of bioaccumulated chemicals as one moves from upper to lower trophic levels.
Answer the following statement true (T) or false (F)