(A) The 3 rightmost bands were clearly copied and pasted; also, the bands for WT treatment 2 were pasted on top of the original bands. (B) An exercise in excessive contrast adjustment. In addition, in the rightmost 2 rows, the background was replaced with background from another area of the blot in order to obscure bands underneath. (C) The eraser tool was used to remove duplicate bands and background noise. (D) Authors have submitted subsections of previously published figures as original images, as in this hypothetical example. Note: The images have been intentionally manipulated for illustrative purposes.