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00:28:00

From the Structure of the Ribosome to New Antibiotics

by Thomas Steitz
From the Structure of the Ribosome to New Antibiotics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1490 views
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Structural studies of the ribosome exemplify the evolution of structural studies in cell biology from the early negatively stained images of macromolecular assemblies in whole cells, to a detailed atomic understanding of the mechanisms of action of a....

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00:32:00

Man vs. Helicobacter _ The past 50,000 years and the next 50

by Barry Marshall
Man vs. Helicobacter _ The past 50,000 years and the next 50
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1623 views
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The epidemiology of Helicobacter pylori continues to be an area of discovery and controversy in the 21st century. The transmission of this bacterium from mother to child allows Helicobacter DNA to mimic the evolution of maternal mitochondria DNA. B....

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00:31:00

Deciphering Immunity by Making It Fail

by Bruce Beutler
Deciphering Immunity by Making It Fail
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1576 views
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Infectious microbes collectively represent the strongest selective pressure operating on our species, and over hundreds of millions of years, drove the evolution of the sophisticated immune system we have today. While the general outlines of immune ....

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00:34:00

Proteases and Their Control in Health and Disease

by Robert Huber
Proteases and Their Control in Health and Disease
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1249 views
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Proteolytic enzymes catalyse a very simple chemical reaction, the hydrolytic cleavage of a peptide bond.  Nevertheless, they constitute a most diverse and numerous lineage of proteins.  The reason lies in their role as components of many regulatory....

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00:10:00

Chemi- and bio-luminescence

by Sarah Johnston
Chemi- and bio-luminescence
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1486 views
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Chemiluminescence and bioluminescence. General chemistry explained and examples such as fireflies, Wintergreen mints, etc. are introduced

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