Observe The Two Sets Of Plates Questions And Answers
1. Observe the two sets of plates. Determine the CFU/mL of each solution (normal and heated), remembering to use a plate that has between 30 and 300 colonies. Please refer to the resources shared by your instructor in the classroom to assist in this process.
a. Is there a difference in the CFU/mL counts for the two treatment conditions?
Yes, the normal plate has more colonies than the heated plate.
b. What accounts for this difference?
Heating the soil sample slows down the growth of bacteria.
2. How are the colonies from the two treatment conditions different (e.g. size, color, shape, et cetera)?
The colonies from the heated sample looked smaller in size than the colonies from the normal sample.
3. What effect does the heating and
a. Is there a difference in the CFU/mL counts for the two treatment conditions?
Yes, the normal plate has more colonies than the heated plate.
b. What accounts for this difference?
Heating the soil sample slows down the growth of bacteria.
2. How are the colonies from the two treatment conditions different (e.g. size, color, shape, et cetera)?
The colonies from the heated sample looked smaller in size than the colonies from the normal sample.
3. What effect does the heating and