Many biomolecules come in two versions that are each other's mirror image, like a left and a right hand. Cells generally use the left-hand version of amino acids to produce proteins, and uptake mechanisms were thought to ...
Biochemistry
Apr 26, 2019
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70
Berkeley Lab and UC Berkeley researchers have discovered that the transcription factor protein TFIID coexists in two distinct structural states, a key to genetic expression and TFIID's ability to initiate the process by which ...
Cell & Microbiology
Jan 17, 2013
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Chemistry can be quite confusing. In order for the desired substance to be produced in a reaction or for two substances to interact - or not - chemists have to take into account a number of factors. Researchers at the Fritz ...
Materials Science
Apr 2, 2015
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29
Antiviral drugs block influenza A viruses from reproducing and spreading by attaching to a site within a proton channel necessary for the virus to infect healthy cells, according to a research project led by Iowa State University's ...
Biochemistry
Feb 3, 2010
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The tools of biochemistry have finally caught up with lactose repressor protein. Biologists from Rice University in Houston and the University of Florence in Italy this week published new results about "lac repressor," which ...
Biochemistry
Sep 22, 2009
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A new biosensor engineered by Penn State researchers offers scientists the first dynamic glimpses of manganese, an elusive metal ion that is essential for life.
Biotechnology
Mar 9, 2023
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51
In the most comprehensive analysis of its type published to date, scientists at Pacific Northwest National Laboratory have found that exposing human skin tissue cells, or fibroblasts, to low doses of ionizing radiation regulates ...
Biochemistry
Dec 17, 2010
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0
(PhysOrg.com) -- A method for detecting such diverse substances as antibiotics, narcotics and explosives - a universal detector, so to speak - has been developed by German researchers at the Max Planck Institute for Polymer ...
Biochemistry
Mar 30, 2011
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Chlorophyll is the pigment used by all plants for photosynthesis. There are two versions, chlorophyll a and chlorophyll b. These are structurally very similar to one another but have different colors, blue-green and yellowish ...
Plants & Animals
Oct 19, 2018
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39
(Phys.org)—A study on how gold atoms bond to other atoms using a model that takes into account bonds direction has been carried out by physicist Marie Backman from the University of Helsinki, Finland, and colleagues. These ...
Condensed Matter
Sep 19, 2012
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