Distilled water has a pH of 7. Milk has a pH of 6. Therefore, milk is: A. 10 times less acidic than distilled water. B. half as acidic as distilled water. C. 10 times more acidic than distilled water. D. twice as acidic as distilled water.

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different