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Sensory System Anatomy and Pathology Gene Expression Living Organisms & Animal Behaviors Radiation and Health The Nervous System Introduction to Mycology Biochemistry/Cells Human Genetics Health and Diseases Heredity Epithelial Excretory and Musculoskeletal System Prokaryotic Cells and Viruses Inflammation and Healing Biological Molecules and Enzymes

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Viruses › View

Up to what percentage (%) of bacteria are killed by bacteriophages every day.

A. 40%

B. 35%

C. 43%

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Microbiology › View

On Monday, Kari exhibits no symptoms of a viral illness. She is sick on Tuesday and stays home from school. On Wednesday, her friends stay home with the same illness, despite having no contact with Kari when she was sick on Tuesday. Which is the most likely explanation of how the other students became sick?

A. Kari was immune to the virus but infected the other students

B. The virus mutated and infected the other students after Kari got sick

C. Kari was infected with the virus before she experienced any symptoms

D. The virus was a carrier, and the other students were infected after Kari got sick.

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