The following picture shows ethidium bromide-stained bands revealed by gel electrophoresis of two types of DNA molecules digested with two different restriction enzymes. One of the DNA samples is human genomic DNA; the other is the small genome of a bacteriophage. One of the restriction enzymes used is HindIII (5' A^AGCTT 3'); the other is TaqI (5' T^CGA 3'). The arrow represents the direction of electrophoresis. A B C D The human genomic DNA digested with HindIII is C A B D
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Step 1: The image shows ethidium bromide-stained bands revealed by gel electrophoresis of two types of DNA molecules digested with two different restriction enzymes: HindIII and TaqI. Show more…
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Madhur L.
A $22-$ kb piece of DNA has the following restriction sites: A batch of this DNA is first fully digested by HpaI alone, then another batch is fully digested by HindIII alone, and finally, a third batch is fully digested by both Hpal and HindIII together. The fragments resulting from each of the three digestions are placed in separate wells of an agarose gel, separated by gel electrophoresis, and stained by ethidium bromide. Draw the bands as they would appear on the gel.
'The following diagram represents DNA that is part of the RNAcoding sequence of a transcription unit. The bottom strand is the template strand. Give the sequence found on the RNA molecule transcribed from this DNA, and identify the $5^{\prime}$ and 3 ends of the RNA. 5'-ATAGGCGATGCCA-3' 3'-TATCCGCTACGGT-5' $\leftarrow$ Template strand
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