Statistics show an increase in the prevalence of infective endocarditis among older adults. Which factor places older adults at risk for developing infective endocarditis

Sterilization of surgical instruments is a process that renders the items free of: a. spores. b. blood. c. oil d. dirt

Which of the following statements is accurate in describing the activity of the lactase enzyme? a. lactase can function equally effectively at many different ph levels b. the shape of lactase does not change during the reaction c. lactase is converted to glucose and galactose by the reaction d. one lactase enzyme can catalyze many reactions

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