Which of the following is NOT found in the gastrointestinal tract of a healthy individual?
a. protists
b. Clostridium
c. Bacteroides
d. Bacteroidetes
Answer: A
Biology & Microbiology
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Which amino acid is most soluble in water?
A. Valine B. Glycine C. Leucine D. Serine
Biology & Microbiology
After a B cell is activated, it no longer needs T cell interactions or cytokines to make antibody
Indicate whether the statement is true or false.
Biology & Microbiology
What is the basis of the food chains in pelagic ecosystems?
a. Detritus b. Zooplankton c. Phytoplankton d. Seaweeds
Biology & Microbiology
Patients with congenital prolongation of the Q-T interval are at GREATEST risk for:
A) sudden asystole. B) ventricular arrhythmias. C) coronary artery disease. D) acute myocardial infarction.
Biology & Microbiology