Plz me. yeast is an example of a eukaryote while the bacterium e-coli is an example if a prokaryote. which structure is presented in both prokaryotes and eukaryotes. a cell wall provides a rigid outer layer for the cell mitochondria that create energy for the cell a cell membrane that is a protective barrier from the outside environment a nucleus that regulates cellular processes

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.