Which is incorrect about Mycoplasma pneumoniae?
A. It has birds as a reservoir.
B. It is a common cause of primary atypical pneumonia.
C. Initially causes fever, malaise, sore throat, headache.
D. After 2 to 3 weeks, it develops into an unproductive cough and earache.
E. Is a bacterial cell without a cell wall.
Answer: A. It has birds as a reservoir.
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A fever augments the host's defenses by
A. enhancing microbiostasis. B. enhancing the activity of the immune system. C. stimulating leukocytes into action. D. All of the choices are correct.
Cardiac muscle's sole function is to
a. help move blood to supply itself with oxygen and nutrients. b. pump blood. c. control blood pressure. d. control heart rate. e. oxygenate the blood.
Which pair matches the correct macromolecule with the bond that joins its subunits?
a. protein?ester linkage b. steroid?peptide bond c. polysaccharide?peptide bond d. triacylglycerol?glycosidic linkage e. nucleic acid?phosphodiester linkage
The average fertility rate required to achieve long-term zero population growth is referred to as the
A) fertility rate. B) fertility growth rate. C) human carrying capacity. D) stabilization fertility rate. E) replacement fertility rate.