My new sounds:


My new sounds:


My new sounds:


My new sounds:


My new sounds:


My new sounds:


I know this isn’t Pop but I can’t quite categorize it. Hope you like =}


skeptv:

Bacteria

Life on Earth 004 - Bacteria

Paul Andersen describes the defining characteristics of the domain Eubacteria. He begins with a quick description of the phylogeny of bacteria and horizontal gene transfer. He then surveys the structures of a bacteria; nucleoid region, capsule, pilli, cell wall with peptidoglycan, flagella. He describes the differing morphologies and metabolism in different bacteria. He describes how bacteria can be Gram positive or Gram negative. He finishes with a brief discussion of quorum sensing.


executivebeard:

I saw this green anole (Anolis carolinensis) in Charleston last weekend.


skeptv:

Photosynthesis

Paul Andersen explains the process of photosynthesis by which plants and algae can convert carbon dioxide into useable sugar. He begins with a brief description of the chloroplast. He describes the major pigments in a plant (like chlorophyll a and b). He then describes both the light reaction and the Calvin cycle. He finishes with a discussion of photorespiration and strategies for avoiding this problem evolved in CAM and C4 plants.

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