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Wild-type E. coli grow best at 37 but can grow efficiently up to 42 . An E. coli strain has a mutation of the sigma subunit that results in an RNA polymerase holoenzyme that is stable and transcribes at wild-type levels at 37 . The mutant holoenzyme is progressively destabilized as the temperature is raised, and it completely denatures and ceases to carry out transcription at 42 . Relative to wild-type growth, characterize the ability of the mutant strain to carry out transcription at: 37 degrees A. organism does not transcribe gene, B. organism transcribes slowly, C. organism transcribes a wild type, D. organism transcribes faster than a wild type 2. at 40 degrees 3. At 47 degrees 4. What term best characterizes the type of mutation exhibited by the mutant bacterial strain?
Which of the following is true about DNA?
Determine which of the following pairs of functional groups CANNOT react with each other by a dehydration reaction?
Suppose when looking at a slide of 3-crossed threads, red is on bottom, and yellow on top. When the adjustment knob is rotated forward on your microscope.
What defence was successful in preventing you from grab the snake. While travelling in Texas, you stumble across a snake with red, yellow, and black bands.
what part of an amino acid hold charges when the molecule is in solution? how about when the molecule is bound as an internal residue within a polypeptide?
An inversion heterozygote possesses a normal chromosome and one with an inversion. The gene orders in these 2 chromosomes are shown below- Normal 1 2 3 4 5 6 7 8 9 10 o.
In the offspring resulting from an F1 testcross, what percentage of recombinant phenotypes is expected if the genes under study are independently assorting?
Reactive oxygen species are unstable, or reactive, compounds that result from partial reduction of oxygen. Reactive oxygen species can cause damage to molecules, including membrane lipids and nucleic acids.
Of the following, which kingdom contains the most diversity in terms of DNA sequences?
Describe the ABO system of red blood cells classification and explain the significance of blood types.
what are three parts Cell respiration has. Where in the cell is each found, the molecule(s) that enter each, the molecules at the end of each, and the number of ATPs harvested from each.
Provided the total population size of the population in Table 2 (in year 2012), using the per capita growth rate in question five, and assuming that this growth rate does not change,
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