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Art Discussion 200 words 4/8/19
Post is 200-250 words or longer and makes an insightful, relevant, focused argument and discusses it in depth • Post is logically sound. • Post supports points with specific evidence, textual and visual analysis, and quotations. • Post presents a new idea to the forum (not already discussed).
Prompt 1 of 2: In what ways does Albrecht Dürer’s Four Apostles serve as an expression of the Protestant faith?
Prompt 2 of 2: What are the major characteristics of Mannerist art and architecture? Select a Mannerist painting, sculpture, and architectural work, and describe the Mannerist features of each.
Peer Response 1: 4/9/19 100 word min
• Response is approx. 100-150 words or longer and well written. • It enriches the discussion by expanding on a post’s idea or approaching it from a new direction.
Peer Response 2: 4/9/19 100 word min
• Response is approx. 100-150 words or longer and well written. • It enriches the discussion by expanding on a post’s idea or approaching it from a new direction.
Bio Post 4/10/19 300 words
What is the element of luck in genetics? So far we have explored genetics and possible links to the environment. We have also seen that genetics depends on DNA instructions, which can be altered. Where do these mutations come from? How do they occur? Well, this week we look at mechanisms of events that cause mutations as well has how likely it is to get a mutation, not just through inheritance, but from scratch, i.e., a new mutation within your cells as your body grows, maintains itself through cell division and grows old. I want you to discuss the element of ‘luck’ (or bad luck) that scientists find in nature when it comes to having a mutation or genetic disease. Read the gene and environment commentary (Links to an external site.)Links to an external site. in the Journal Science by Jeremy Berg, one of the preeminent biochemists of our times, and an article in the Washington Post (Links to an external site.)Links to an external site. reporting on new research confirming that roughly two-thirds of mutations contributing to cancer are the result of random copying errors and not inherited mutations or caused by exposure to environmental toxins or radiation (Genes, environment and bad luck. Science 2017.pdf)
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Bio Peer Response 4/12/19 100 words:
Bio Questions: 4/11/19
Submit your answers to the following questions:
1. What are the factors that influence the mutation rates of human genes”
2. Although it is well known that X-rays cause mutations, they are routinely used to diagnose medical problems, including potential tumors, broken bones, and dental cavities. Why is this done? What precautions need to be taken?
3. Define and compare the following types of nucleotide substitutions. Which is likely to cause the most dramatic mutant effect?
a) missense mutations
b) nonsense mutations
c) frameshift mutations
4. Two types of mutations discussed in this chapter are 1) nucleotide changes and 2) unstable genome regions that undergo dynamic changes. Describe each type of mutation.
5. Tay-Sachs disease is an autosomal recessive disease. Affected individuals do not often survive to reproductive age. Why has Tay-Sachs persisted in humans?
