Which organism is oxidase-negative, oxidizes glucose, and is a nonlactose fermenter?
a. Escherichia
b. Pseudomonas
c. Acinetobacter
d. Moraxella
C
The organisms discussed in this chapter are considered together because, except for the Centers for Disease and Control (CDC) group NO-1, they are all oxidase negative and grow on Mac-Conkey agar, as do the Enterobacteriaceae family. However, unlike the Enterobacteriaceae family, which ferments glucose, these organisms either oxidize or do not use glucose.
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Erythropoietin Select one:
a. is a product of the kidney. b. inhibits the production of erythrocytes. c. is produced in response to increased blood pressure. d. is found both in the plasma and inside red blood cells. e. is produced by the red bone marrow.
Which activity of the virally invaded cell triggers production of interferon?
A. Activation of rRNA B. Movement of nuclear proteins to the cytoplasm C. Production of glycolipids D. Production of dsRNA
Cork cambium produces ____
a. vascular tissue b. heartwood c. vascular cambium d. sapwood e. secondary epidermis
In which step of the scientific method are control groups important?