How might similarities and differences in genetic codes, or the proteins built as a result of this codes, be used to determine how closely related different species are?
Calculate the osmolality for each of these six solutions 0.1, 0.3, 0.5, 0.65, 0.85, 1% NaCl. Which concentration is closest to that of plasma (290 mOsm/kg)?
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?