Looking at your results of the Ames test using bacteriological agar medium plates lacking the amino acid histidine, you find that there are many colonies growing on the agar.How do you interpret this result?

Question

Quizplus · Accepted Answer

Based on the information provided, the Ames test is being used to determine if a chemical is mutagenic or not. If there are many colonies growing on the agar medium plates lacking histidine, it suggests that the chemical being tested caused mutations in the bacteria, allowing them to grow on the medium despite the lack of histidine. Therefore, choice B is the most appropriate interpretation of the result. Choices A, C, and D are not relevant to the Ames test or the result described.

Looking at Your Results of the Ames Test Using Bacteriological