Experiment 2: characterizing bacteria isolated from soil data tables table 1: gram staining observations table 2: experiment 2b catalase assay results post-lab questions in which soil type would be more likely to find a higher proportion of gram-positive microorganisms? why? (if necessary, use a textbook or reputable online source to inform your answer). what effect should heat treatment have on the proportion of endospore producing microbes? what effect does heat treatment have on the number of isolated colonies?