This is an archived course. A more recent version may be available at ocw.mit.edu.

Assignments

Assignment 1

Topics for the 10-minute presentation about acyclic isoprenoids as biomarkers.

  • acyclic isoprenoid biosynthesis
  • what are the oldest acyclic isoprenoid fossils
  • acyclic isoprenoids in contemporary algae
  • acyclic isoprenoids derived from plants
  • acyclic isoprenoids derived from Bacteria
  • acyclic isoprenoids from metazoa

Assignment 2

Topics for the 10-minute presentation revolve around the broad topic of bacterial hopanoids. Choose from, but do not be limited to

  • hopanoid biosynthesis
  • isotopic compositions of bacteriohopanoids
  • diagenesis of hopanoids in anoxic environments
  • hopanoid stereochemistry
  • hopanoids as paleoenvironmental proxies
  • distinctions between bio- and geo- hopanoids

Assignment 3

For the 10-minute per person discussion choose from the following or invent your own:

  • Sterols a membrane components
  • Sterols as signalling molecules
  • Steroid biosynthesis as an oxygen sensor
  • Animal sterols
  • Sterol biosynthesis in invertebrates
  • Sterols of fungi
  • Steranes as proxies for paleoenvironment