If one left a "pasteurized" flask of broth for a long time at room temperature, it would stay sterile forever, at least in principle.
Answer the following statement true (T) or false (F)
False
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Metronidazole is used to treat Entamoeba infections.
Answer the following statement true (T) or false (F)
Imagine that a person breathes in a potentially pathogenic bacterium. What defenses will the bacterium encounter as it travels through the human body? Select all correct choices
A. cilia in the nasal cavity B. mucus in the lungs (if the bacterium enters the respiratory tract) C. digestive enzymes in the stomach (if the bacterium enters the gastrointestinal tract) D. phagocytes (if the bacterium enters the bloodstream)
The concept of ____ explains why children of parents who are at the extreme ends of a normal (bell-curve) distribution for a phenotype are usually closer to the population average for the phenotype
a. correlation coefficient b. regression to the mean c. multifactorial differences d. concordance e. epigenetics
Cells involved in the contractions of the heart are called
A. skeletal muscle cells. B. cardiac muscle cells. C. smooth muscle cells. D. fibroblasts. E. chondrocyte cells.