Explain a benefit of having certain popular flowers available all year long

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

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

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give