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Fig. 1. Extracted DNA from various plants is of high molecular weight and susceptible to endonuclease digestion. Agarose gels stained with ethidium bromide: (A) barley undigested, close-up; (B) hop, undigested, close-up; (C) hop pellets, degraded in food processing, close-up; (D) tobacco, complete set of 96 extractions separated on a two-tiered gel, HindIII; (E) soybean, complete set of 96 on a two-tiered gel, HindIII. Molecular weight markers: 1 kb ladder (Invitrogen, Carlsbad, CA), except B and D, 
Hind III markers.
