Question: If a biotechnologist needs to culture cells in a 100 mL medium and the cell density is 1 x 10^6 cells/mL, how many cells are in the culture?
Options:
Correct Answer: 1 x 10^7
Solution:
Total cells = cell density × volume = 1 x 10^6 cells/mL × 100 mL = 1 x 10^8 cells.