A soil sample was diluted into a nutrient broth, then spread onto a plate and grown for one week at room temperature. Several colonies appeared dusty or fuzzy and yet were identified as bacteria-not as fungi
Which genus do these isolates likely belong in?
A) Actinomyces
B) Mycobacterium
C) Nocardia
D) Streptomyces
Answer: D
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Obesity rates have been steadily rising since 1985. Discuss how this rising obesity rate may require an increase in the availability of health care services over the next decades
What will be an ideal response?
Papillary muscles:
A. contract when the ventricles relax B. prevent the valves from closing during ventricular diastole C. are attached to the semi lunar valves via the chordae tendineae D. prevent the backflow of blood into the atria during ventricular systole E. prevent the backflow of blood into the ventricles from the aorta
Related to the amoebas, these usually unicellular creatures are able to aggregate under times of stress.
A. cellular slime molds B. water molds C. ciliates D. plasmodial slime molds
A researcher discovers a chemical compound which prevents the incorporation of ergosterol in the plasma membrane We can predict that this compound would be toxic to which kinds of organisms?
A) bacteria B) animals C) viruses D) fungi E) plants