The organism shown above belongs to A. the plant kingdom
B. the protist kingdom
C. the animal kingdom
D. both the animal kingdom and the protist kingdom ​

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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

What does the number 18.9984 represent in the image?