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