Explain the processes of headward erosion and stream piracy.

What type of specimens where you able to see under each of the microscopes in the microscope activity

Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.