This interactive program takes students on a tour of cells and DNA. It illustrates how DNA is transcribed into RNA and the RNA is translated to into protein, and how proteins fold in order to have a f
细胞呼吸(Cellular Respiration)动画This animated slide show illustrates the basic steps of cellular respiration, both as an overview and as a closer look at what happens in the mitochondria.
光合作用(photosynthesis )This animated slide show illustrates the basic steps of photosynthesis, both as an overview and as a closer look at what happens in the chloroplast.