Practice - Viable Cell Counts (Plate Counts)
Practice Questions
Test your understanding with targeted questions
What does CFU stand for?
💡 Hint: Think about how we count colonies.
Why do we perform serial dilutions?
💡 Hint: Consider how we visualize microbial growth.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the term CFU represent?
💡 Hint: Think about how we track the growth of colonies.
True or False: The plate count method measures both living and dead cells.
💡 Hint: Recall the definition of viable cell counts.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the CFU/mL if you plated 0.1 mL of a 10^-4 dilution and counted 120 colonies on that plate. What is the original concentration?
💡 Hint: Recall the formula and focus on the dilution factor.
Discuss how you would redesign a study that relies on the plate counting method to improve accuracy and reduce potential errors.
💡 Hint: Think about the sources of error and how to mitigate them.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.