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Biehle, Louis T. (Drake University, 1973-09)The problem. To determine the effects of degree of homogenization, on DNA, RNA, and protein content of nuclei isolated from rat liver. The procedure. Rat liver cells were broken with a Dounce homogenizer using variable ...
How Does Heterogeneous Ability Grouping and Homogeneous Ability Grouping Compare in Academic Growth and in Building Self-Esteem? Cordaro, Joseph Frank (Drake University, 1993-03)In the last few years, educators have questioned the concept of ability grouping. While many schools are still using homogeneous ability grouping of students believing that this is the best way for students to learn and ...