Which types of cell transport involve the movement of molecules along the concentration gradient from high to low? (select all that apply) * osmosis
facilitated diffusion
diffusion
active transport

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

Moving down the ramp from 6 meters to

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