Direct current, dc, flows in a direction while alternating current, ac, the direction of flow

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

'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.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.