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Author Question: Jacob and colleagues developed a time-of-entry mapping technique. They used the genes for threonine ... (Read 38 times)

P68T

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on: Jan 12, 2022
Jacob and colleagues developed a time-of-entry mapping technique. They used the genes for threonine and leucine synthesis (thr and leu), which are near the oriT site, as selected markers. Additionally, they used an E. coli F- strain P678 that has dysfunctional variants for all of the genes studied. They also used an HfrH strain that carried a functional allele for all genes studied. Which of the following statements is FALSE regarding the time-of-entry profile they acquired?



◦ Had the experiment continued, a time of entry map could be viewed for the entire E. coli chromosome.
◦ The azi gene is closer to the thr and leu genes than the ton, lac, and gal genes.
◦ The ton gene is found between the azi and lac genes.
◦ The lac+ allele appears at about 16 or 17 minutes.
◦ At 40 minutes, nearly 20% of exconjugants screened for the selected markers have the gal+ allele.
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Marked as best answer by P68T on Jan 12, 2022

xMRAZ

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Reply #1 on: Jan 12, 2022
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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P68T

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Reply 2 on: Jan 12, 2022
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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