The BACTEC automated blood culture system detects organisms by monitoring a rise in carbon dioxide (CO2) levels using which type of sensor?
a. Fluorescence
b. Colorimetric
c. Isotopic
d. Saponin
A
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Which was likely the first of the following metabolic pathways or structures to evolve?
A. fermentation B. the citric acid cycle C. electron transport complexes I, II, and III D. ATP synthase E. All four probably arose at the same time in an early prokaryote.
The number-one risk factor for sudden infant death syndrome (SIDS) is ____
a. an infant lying on their back b. breast feeding an infant c. premature feeding of solid foods d. exposure to tobacco smoke e. holding the infant
Which hormone is most similar in amino acid structure to chicken vasotocin?
A. antidiuretic hormone B. aldosterone C. angiotensin II D. growth hormone E. oxytocin
Gram-staining of bacteria provides all the physical characterization necessary to identify bacterial species.
Answer the following statement true (T) or false (F)