2007_BIO201_lecture_25

2007_BIO201_lecture_25 - BIO201A Cell Biology Lecture 24...

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BIO201A Cell Biology Lecture 24 Friday 03/23/07
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Important Announcements: Exam 2 will be on Wednesday, March 28th. Today's lecture will be on the exam. Monday, March 26th lecture will not be on the exam. Exam 2 will consist of 34 multiple choice questions worth a maximum of 100 points. Lecture 13 - 25. Please do not enter room on Wednesday until invited. Pencils and erasers only will be needed.
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Science news: Scientists Announce Mad Cow Breakthrough Richt et. al., Nature Biothechnology (2007) 25:132 Washington Post January 1, 2007 (refer to separate pdf Washington Post news file)
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Dr. Stanley Ben Prusiner, UCSF 1982 discovered protein as self-reproducing infectious agent = prion 1997 Nobel Prize in Medicine or Physiology Prions discovered by: Prusiner's work was controversial because it went outside of the central dogma. Accepted as reliable in 1990's after connection to CJD and British mad cow (BSE) became news.
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Prion information flow is outside of the central dogma DNA --> RNA --> protein (central dogma of molecular biology) Prion information does not reside in RNA or DNA, but in protein
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This note was uploaded on 04/08/2008 for the course BIO 201 taught by Professor Janicke during the Spring '08 term at SUNY Buffalo.

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2007_BIO201_lecture_25 - BIO201A Cell Biology Lecture 24...

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