Enterococcus faecalis bacteria can be distinguished from other Gram-positive cocci because enterococci
A. have a glycocalyx.
B. produce catalase enzyme.
C. produce hemolysins.
D. can grow in the presence of bile.
E. are highly sensitive to antibiotics.
Answer: D
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During swallowing, the _____ covers the entrance to the larynx. This structure is identified and labeled as letter _____
in the above diagram.
a. epiglottis; E b. pharynx; B c. glottis; C d. epiglottis; C e. trachea; E
Cranial bones are held together by which kind of joint?
a. synovial joint b. cartilaginous joint c. fibrous joint d. non-synovial joint e. antagonistic joint
The most important factor that determines where major ecosystems are located on the globe is ______ .
a. culture b. environment c. climate d. all of the above
Primary productivity on land is affected by _____
a. nutrient availability c. temperature b. amount of sunlight d. all of these