In early spring, Dr. Tom Wilson notices that there is an equal distribution of long and short stemmed buttercups in the vacant lot across the street from his house as well as in his own backyard. In late summer he notices that there are mostly long stemmed buttercups in the […]

The bacterial protein called flagellin (molecular weight 40,000 g/mol) has been used to calculate the accuracy of protein synthesis. Flagellin offers two advantages, it can be easily obtained as a pure fraction and it contains no cysteine, thereby allowing a sensitive measure of the misincorporation of cysteine into the protein. […]

Question: Magnetic field reversals (as represented in the figure above) have been occurring roughly every 200,000 years. If you were to observe iron crystals embedded in oceanic geology that were pointing neither northward or southward, based on plate tectonic theory, what would potentially explain this?Question: Which piece(s) of evidence offer support of […]

Genetics 1. A diploid cell contains three pairs of homologous chromosomes designated C1 and C2, M1 and M2, and S1 and S2. No crossing over occurs. a. What combination(s) of chromosomes are possible in daughter cells following mitosis? b. What combination(s) of chromosomes are possible in haploid cells following both […]