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Biology Discussion
"Cells and Cancer and Mitosis and Meiosis"
Note: Online students, please respond to one of the following three bulleted items.
• Listen to one of the following podcasts listed below:
o NPR Podcast: Can healthy eating reverse some cancers? Available here.o Dana Farber Podcast: Sugar and Cancer. Available here. o Briefly summarize the podcast you have selected then discuss whether or not you believe that dieting can reverse cancer or if dieting impacts your risk of cancer. Justify your response.
• Name two similarities and two differences between mitosis and meiosis I and II. Next state three benefits of genetic variation which result from meiosis. Which benefit do you believe is most significant? Justify your response.
• Read the Journal of Oral and Maxillofacial Pathology article entitled, "Mitosis at a Glance" which is found here. Next summarize three major points made in the article then define the term cancer in your own words. Lastly, describe what occurs when there are problems during mitosis then provide an example of a disease that results from abnormal mitosis.
1.Outline the history of the domestication of wheat and the development of flour. What was Sylvester Graham's opinion of white flour? Was there any foundation for his opinion? Explain.
An acid with a pKa of 8.0 is present in a solution with a pH of 6.0. What is the ratio of the protonated to the deprotonated form of the acid?
Using these data, calculate the body mass sexual dimorphism index for this primate. Your answer should be a whole number (no decimals).
A given protein contains five glutamic acid residues, eight aspartic acid residues, four lysine residues, two histidine residues and three arginine residues. What would be the net charge on this protein at pH 7?
Which reptilian adaptation enables reptiles to reproduce on land? What does the term "biodiversity" refer to in the field of biology? What ecological role is played by cyanobacteria?
Which of the following disease is an autosomal dominant cause of dwarfism?
Which of the following properties are not shared between facilitated diffusion transporters and "pumps"?
Fritschiella was once thought to be closely related to an ancestor to the bryophytes. Why is that a reasonable hypothesis? Why do you think this hypothesis was discarded?
In rabbits the dominant allele of a gene produces spotted body color, and the recessive allele solid body color. The dominant allele of another gene produces short hair, and the recesssive allele long hair.
A major evolutionary trend among plants is: A reduction in size of the gametophyte and an increase in size of the sporophyte. A reduction in size of the sporophyte and an increase in size of gametophyte.
Briefly describe the development of the human embryo from the formation of the zygote to the point where the three embryonic germ layers develop. List the types of adult tissues that are derived from each of these germ layers.
How do microbes become resistant to antimicrobial control methods?
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