Life as we know it could not exist without water. All the chemical reactions of life occur in aqueous solution. Water molecules are polar and are capable of forming hydrogen bonds with other polar or charged molecules. As a result, water has the following properties:A. H2O molecules are cohesive; they […]

Assignment Analogies are often effective strategies for communicating complex materials and concepts. In BCHM 100 we have already encountered at least two analogies, DNA as a “blueprint for life” and as a “recipe for life”. Although we argued in class that the recipe analogy is superior and that the blueprint […]

Question: In the fungus Neurospora (a haploid), the td+ allele is needed for the cells to build the amino acid tryptophan (trp). The mutant allele td- results in an inability of the fungus to make its own trp, so that growth can occur only if tryptophan is supplied in the medium. […]

Q1. Select a chromosomal disorder from the March of Dimes Foundation Web site. o Post your response to the following: • Identify the disorder and explain how it is expressed in a person and inherited. • If you were the parent of a child with this disorder, with which question […]