Humans share at least 97 percent of their genes with chimpanzees, but, as a new study of transcription factors makes clear, what you have in your genome may be less important than how you use it.
Cell & Microbiology
Dec 7, 2009
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When it comes to the two basic types of cells, prokaryotes and eukaryotes, compartmentalization is everything. Prokaryotes are evolutionarily ancient cells that only have a membrane surrounding their outer boundary, while ...
Biochemistry
Oct 6, 2009
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(PhysOrg.com) -- How much difference can a tenth of a nanometer make? When it comes to figuring out how proteins work, an improvement in resolution of that miniscule amount can mean the difference between seeing where atoms ...
Cell & Microbiology
Sep 13, 2009
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(PhysOrg.com) -- Understanding how plants produce storage organs that humans use as food would be a valuable tool for science and for a hungry world.
Plants & Animals
Mar 3, 2009
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(PhysOrg.com) -- To help protect its genes, a cell is highly selective about what it allows to move in and out of its nucleus. Yet that choosiness is regulated by just a thin barrier, perforated with tiny transport machines ...
Jan 6, 2009
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