A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?

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#Question id: 27309

#XL - T Zoology

In RNA, nucleotides are joined by which type of bond?

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#Question id: 27310

#XL - T Zoology

Which type of sugar is present in RNA?

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#Question id: 27311

#XL - T Zoology

The presence of 2’-hydroxyls in the RNA backbone prevents RNA from adopting a-

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#Question id: 27312

#XL - T Zoology

RNA contains uracil in place of thymine. Uracil has the same single-ringed structure as thymine, except that it lacks the_______

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#Question id: 27313

#XL - T Zoology

Which type of interactions promote and stabilize the tetraloop structure.

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#Question id: 27314

#XL - T Zoology

A feature of RNA that adds to its propensity to form double-helical structures is additional non-Watson–Crick base pairs. One such example is the G:U base pair, which has