Growth factors are molecules that cannot be synthesized by the bacteria that use them and include amino acids, pyrimidines, and vitamins.
Answer the following statement true (T) or false (F)
True
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The ____ form of Plasmodium is transferred to humans through the bite of an infected mosquito
a. merozoite b. gametocyte c. cyst d. sporozoite e. spore
Which of the following statements is false?
a. Individuals are injected with antibodies in passive immunity. b. A genetically engineered virus is not as potentially dangerous as a weakened but intact pathogen. c. Allergies occur when the body makes a secondary immune response to a normally harmless substance. d. Allergies are a nuisance but are never dangerous or life-threatening. e. Allergies cause the secretion of mucus, prostaglandins, and histamines.
All of the following structures are associated with lycophytes EXCEPT
A. rhizome. B. microphylls. C. archegonia. D. microspores.
In what stage of syphilis do gummas develop?
a) Primary b) Secondary c) Tertiary d) Latent