The same, unknown bacteria is isolated from 20 sick individuals. their samples were grown in culture and then placed in 10 healthy mice. those mice started to show signs of a heightened immune response. to determine if the bacteria is pathogenic, what is the next step by using koch’s postulates?

Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.

Talking listening and reacting non verbally are all part of communicating

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas