¿cual de las siguientes pistas le indicarían si una célula es procariota o eucariota? La presencia o ausencia de a) ADN b) ribosomas c) metabolismo d) endomembranas e) membrana plasmática

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.