SCI 115 Week 2 Discussion

"Chemicals of Life and Cell Structures"

Instructions: Select one of the following discussion topics for your primary post, which should address the discussion question in at least 125 words. Also, please respond to a fellow student on any topic.

Discussion Topic 1: Read Arnold’s (2014) article about Carl Woese. What did Woese hope to accomplish by studying ribosomal RNA?  Would you say that he was successful?  Describe what set Woese apart from his contemporaries.

Discussion Topic 2: Watch the Instructor's video on "Chemicals of Life" in the "Instructor's Insights" area of Week 2. Explain something you learned from the video and how it relates to this week's lesson.

http://hwacer.com/Tutorial/sci-115-week-2-discussion/

References:

Arnold, C. (2014, April 30). The man who rewrote the tree of life. Retrieved fromhttp://www.pbs.org/wgbh/nova/next/evolution/carl-woese/

Extra credit opportunities:

• 4 points Extra Credit. In addition to your primary post, post a second post to the discussion board in the form of a “tweet”, like you would do on twitter.com, where you are restricted to 140 characters. Unlike your primary post, the tweet version of your post does not have to be in complete sentences and abbreviations are okay. In the discussion boards, start the tweet version of your post as follows: #tweet

1 points Extra Credit. If you have a twitter account, you can earn one additional point of extra credit by posting your tweet to twitter.

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