Rheumatic fever is an autoimmune complication caused by a ________ infection.
a) Staphylococcus aureus
b) Francisella tularensis
c) Brucella melitensis
d) Streptococcus pyogenes
Ans: d) Streptococcus pyogenes
Biology & Microbiology
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The top priority for energy allocation in animals is ____
a. maintenance metabolism b. growth c. reproduction d. storage
e. growth of sexually dimorphic features
Biology & Microbiology
Mendel’s principle of independent assortment is explained by which metaphase I event?
a. separation of homologous chromosomes b. crossing-over c. synapsis d. cytokinesis e. random orientation of homologous chromosomes on the metaphase plate
Biology & Microbiology
In terms of Selye's general adaptation syndrome, coping occurs in the _____ stage.
A. alarm B. resistance C. exhaustion D. resolution
Biology & Microbiology
Contraceptive implants prevent ovulation by releasing progesterone
Indicate whether the statement is true or false
Biology & Microbiology