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Biology-Related Homework Help Environmental and Conservation Biology Topic started by: ceciliadaji on Oct 7, 2014



Title: Homework
Post by: ceciliadaji on Oct 7, 2014
The test tubes below show the results of density-gradient centrifugation of five different DNA samples


Title: Re: Homework
Post by: padre on Oct 7, 2014
1. Test Tube 1 - A (one band lighter)
2. Test Tube 3 - B (one band heavier)
3. Test Tube 2 - C (has both heavy and light therefore middle)
4. Test Tube 5 - D (allows fusion of both heavy and light, so three bands)
5. Test Tube 4 - E (only separate heavy and light, therefore two bands, high/low)