Blog due 05/07/2012 @ 10:00 am

Compare and contrast the humoral and cell mediated response focusing on the mechanism by which they work and the triggers needed to stimulate each system.

Evolution Question due 03/04/2012 @10:00 pm

Each of the following refers to an aspect of evolution. Explain each in terms of natural selection.

a. covergent evolution
b. resistance to antibiotics
c. speciation
d. heterozygote superiority
e. polyploidy

Blog 12 due 12/04 at 10:00 pm

Compare and contrast eukaryotic and prokaryotic controls for transcritpion. Which one primarily uses negative control? Positive control? Be specific and make sure to include transcriptional control, post transcriptional control, translational control, and post translational control. (250 word minimum)

Blog 11 due 10/31 10:00 am

In sweet peas, purple flower color (P) is dominant over white (p), but there is also a control gene such that if the plant has a “C”, the purple has “permission” to express itself. If the plant is “cc,” the purple does not “have permission” to express itself and the flower will be white anyway. If a plant with homozygous purple, controlled flowers is crossed with a plant with white, non-controlled flowers, calculate the genotype and phenotype ratios of the F1 and F2 generations.

Blog 10 Due Monday Oct 24 10:00 pm

In a species of plants, axial flowers are dominant to terminal flowers and the trait for height is incompletely dominant. A medium height plant with axial flowers (double heterozygote) is crossed with another double heterozygote plant. What are the genotypic and phenotypic ratio of the offspring?

Blog 7 due 10/3/2011

Oftentimes meiosis II is compared to mitosis.
a. Explain what the correlation is between the two processes.
b. In what three ways does meiosis help promote variation within a population? Please explain your answers.

AP Bio blog 6 due mon 9/26 8:00 am

A dialysis bag containing 0.01 M sucrose solution and 0.04M glucose solution is submerged in a container containing 0.02M glucose solution and iodine in the form of IKI. What do you expect to happen if you allow the bag to react with its environment for 1 hour? Explain the logic you used to answer the question.