Exam Review: back to those granola bars

How can we use what we’ve covered this semester to make more sense of these granola bars? Here are some questions we can consider:

  • What is ALA? A molecule? Ionic compound? Protein? Cell?
  • How can we understand or classify vitamin E and zinc with the concepts we’ve covered?
  • How does Bacillus coagulans make one of these bars probiotic?
  • What are “ancient grains“? Can evolution offer some perspectives on what them?
    Probiotic granola bars
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Class Prep For Apr. 25: human evolution & group selection

To wrap up our look at evolution, we’re going beyond what’s in our textbooks to look at some related topics that connect with more recent developments in Biology. The TED Talk by Jonathan Haidt below should provide a nice introduction to the concept of group selection, another means by which species can change over time. The portion of the TED Radio Hour will then give you a sense of how group selection may have shaped us as a species. Also included here are excerpts from The Social Conquest of Earth, in case you’d like to get more familiarized with group selection.

In Class Apr. 4th: DNA in the news

NPR logoToday, we’ll consider two NPR news stories with the questions below to gain familiarity with some important concepts related to DNA.

Science Seeks Clues To Human Health In Neanderthal DNA

  • We’re told that Neanderthal genes have been found in modern Americans. What’s a gene? How does this relate to DNA?
  • How is it that genes/DNA played a role in human survival?

From Kale To Pale Ale, A Love Of Bitter May Be In Your Genes

  • What is a taste receptor?
  • How do different genes result in different experiences in tasting bitterness?