We are working with C. elegans in biology lab. I know that they use chemosensory neurons to detect chemotaxis in food. When you use E. coli OP50 strain (normal feeding bacteria), what chemical trace does the E. coli emit to attract C. elegans?
How are self-replicating molecules, such as RNA molecules in the “RNA World” hypothesis, essential to the most popular hypotheses about the origin of life on Earth?