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My thoughts on biology, teaching, life, and exploring the living world via the digital one. Only my opinions are represented by these postings, they do not represent the viewpoints of any funding agency or Geospiza, Inc.
I am a microbiologist and molecular biologist turned tenured biotech faculty turned bioinformatics scientist turned entrepreneur. My passion is developing instructional materials for 21st century biology (Digital World Biology).
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Category: Bioinformatics
Ebola virus has impressed me as creepy ever since I read "The Hot Zone: A Terrifying True Story some years back by Richard Preston. (I guess he has a new...
Posted by Sandra Porter at 8:30 AM • 4 Comments •
Category: Seattle
Two interesting events are happening, Monday night, Oct. 27th. At the UW: Josh Rosenau from the National Center for Science Education will be speaking at 6 pm about Creationist attacks...
Posted by Sandra Porter at 10:00 AM • 1 Comments •
Category: Science education
The Galápagos islands rank high on my list of places that I really, really, really want to visit. But for many reasons, it's always looked like a trip to the...
Posted by Sandra Porter at 11:18 AM • 1 Comments •
Category: HIV/AIDS
One of the holy grails of modern medicine is the development of a vaccine against HIV, the virus that causes AIDs. An obstacle to attaining this goal has been the...
Posted by Sandra Porter at 1:03 PM • 0 Comments •
Category: sequence analysis
In the class that I'm teaching, we found that several PCR products, amplified from the 16S ribosomal RNA genes from bacterial isolates, contain a mixed base in one or more...
Posted by Sandra Porter at 8:00 AM • 2 Comments •
Category: molecular structures
Ribosomes are molecular machines that build new proteins. This process of synthesizing a protein is also known as translation. Many antibiotics prevent translation by binding to ribosomal RNA. In the...
Posted by Sandra Porter at 7:54 PM • 2 Comments •
Category: phylogeny
I made this video (below the fold) to illustrate the steps involved in making a phylogenetic tree. The basic steps are to: Build a data set Align the sequences Make...
Posted by Sandra Porter at 9:11 AM • 31 Comments •
Category: molecular structures
Two molecules are locked in a tight embrace. Who are they?
Posted by Sandra Porter at 10:12 AM • 0 Comments •
Category: Darwin Day
You can get a jump on the Darwin Day festivities. Once again the Alliance for Science is sponsoring an essay contest for Darwin Day. If you download their suggestions for...
Posted by Sandra Porter at 9:29 AM • 0 Comments •
Category: molecular structures
This is a fun puzzle. The pink molecule is a protein and the other molecule is a nucleic acid....
Posted by Sandra Porter at 9:30 AM • 17 Comments •
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