The mechanical breakdown of rocks by the action of other rocks and sand particles is called

Pl which diagram illustrates prophase?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

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