Look carefully at the micrograph and corresponding sketch (2) in Figure 69. A. Using the scale bar,

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Look carefully at the micrograph and corresponding sketch (2) in Figure 6–9.


A. Using the scale bar, estimate the lengths of the DNA double helices between the replication forks. Numbering the replication forks sequentially from the left, how long will it take until forks 4 and 5, and forks 7 and 8, respectively, collide with each other?


B. The fly genome is about 1.8 × 108 nucleotide pairs in size. What fraction of the genome is shown in the micrograph?



Figure 6–9image

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Essential Cell Biology

ISBN: 9780393680362

5th Edition

Authors: Bruce Alberts, Karen Hopkin, Alexander Johnson, David Morgan, Martin Raff, Keith Roberts, Peter Walter

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