The influenza virus causes the flu, but it does not cause other diseases. This evidence supports which claim? The flu is highly contagious. Each pathogen causes a specific disease. Noninfectious diseases are caused by genetic factors. Most viruses and bacteria are harmful and cause disease.

Which of the following diseases may be transmitted through an accidental needle stick? a. syphilis b. tuberculosis c. cellulitis d. hepatitis b

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?