Which does not represent one of koch’s postulates?

a. isolate germs from an infected animal
b. grow germs in a lab culture
c. inject germs into a healthy animal
d. watch to determine how long it takes for the healthy animal to become ill

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

What is the cause hearing loss in human being

Dna and rna share a number of similarities, but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna