Biology In our online lecture we include a quote by E. O. Wilson, “The one process now going on that will take millions of years to correct is the loss of genetic and species diversity by the destruction of natural habitats. This is the folly our descendants are least likely […]

Question: If you analyze the diameter of the field of view for the 4X objective lens of a compound microscope with 10X oculars as 4.5 mm, what is the diameter of the field of view for the 100X objective lens? What is the magnification of a speciment viewed with the 100X […]

Q1. Organisms typically have 20 aminoacyl tRNA synthetases that charge a tRNA molecule with a particular amino acid. One would expect there to be 20 tRNAs: one for each amino acid. Though, there are 61 known tRNA molecules. What characteristic of the synthetases explains this discrepancy? Q2. Tina is consuming […]

Assume you are an ecologist studying a population of gerbils that can be found in nature with 3 different colors. An individual gerbil can be, dark brown, medium brown, or light brown. There are 2 alleles for this gene B and b. The color trait is determined by incomplete dominance. […]