the higher value for intact cells ( 24 kcal/mol ) compared to the plasma membrane fraction ( 4 kcal/mol at greater than 11.5 degrees c , 18 kcal/mol at less than 11.5 degrees c ) was taken as evidence that [ 3h ] cytochalasin d must penetrate the plasma membrane in order to reach its binding sites .
C0007634
the
C0007603
plasma