How did the colonies from the two treated conditions

1. How did the colonies from the two treated conditions different (shape, color, quantity, etc)?

2.For the bacteria which survived the heading, how did they do so?

3.What effect does the heating and cooling procedure have on the bacterial present in the soil samples?

4.After heating, which did yo more of? Gram negative or Gram positive?

5. Does heat effect bacteria with endospores?

6. What conditions can favor the production of endospores?

7. What would you conclude if all the samples were catalase negative?

8. Why is catalase such an important enzyme for bacteria?

9. In the Winogradsky column, where did the carbon source come from in the experiment set up?

10. In general, why is carbon so important?