streptomyces 链霉菌属
Post on 25-Feb-2016
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Streptomyces链霉菌属
Spontaneous mutations in E. coli (blue = -galactosidase activity
Antirrhinum, Snapdragon 龙头花Somatic mutations are very frequent at
low temperature because of a transposon
jumping out of a flower color gene
Picture 400230 pixels (small)
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Tif+LZW compression70 kb
PNG, automatic compression55 kb
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JPG highest quality70 kblarge, almost clean file
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Jpg medium quality 25 kb dirty Tif+LZW 70 kb clean
Gif 14 kb gradient artifact, clean lines JPG max. quality 70 kb clean, gradient OK
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