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In order to study transcriptional regulation and attenuation in the tryptophan operon, the UGG codons for tryptophan in the trp leader mRNA sequence were mutated into UUG codons. Using this altered trp operon, please answer the following questions.
a) Under what conditions would the operon initiate transcription?
b) Under what conditions would the attenuation take place?
c) Under what conditions would transcription continue through to the end of the operon?
What type of electrode would they need to use (express material and design)? Provide a simplified schematic (circuit model of the electrode) described in the notes. Also discuss at least two benefits of an exoskeleton as well as how arthropod grows ..
From the list given below what options applies to fibrous proteins. Monomers are held together by covalent glycosidic linkages.
explain how an illness with a fever could affect the digestive system of a human, and why the body would produce a fever if there are negative side effects.
Considered the simple cell from above (with initial volume 3nL containing .3 M protein and .2M Ca++). This cell is immersed in a 0.2M uera bath.
A particular human disease is caused by a recessive allele. If one out of every 2500 babies is born with the disease, what is the frequency of the allele? Assume the population is in equilibrium.
In maize the genes Pl for purple leaves (dominant over green leaves); sm for salmon silk ( recessive for yellow silk) and py for pigmy plant (recessive to normal size) are on chromosome 6 at positions 45, 55 and 65 respectively. Predict the propor..
A snapdragon with pink petals, black anthers and long stems was allowed to self-fertilize. From the resulting seeds, 650 adult plants were obtained.
You are studying compound X and are trying to determine whether it is a competitive or a non-competitive inhibitor of an enzyme reaction catalyzed by the enzyme zyrase.
Sketch image of what you think the histogram of a black and white SPECT image would look like for patient with only fiducial markers, where range of each pixel is [0, 255]
Which of the following characteristics are true of spermatogenesis?
Draw a punnet suquare and predict the expedcted phenotype ratio for the following 3 cross and be sure to label the ratios A) ttyy cross TtYY b) TTYy cross TtYy c) Ttyy cross TtYY.
Bacteria have been on the earth for billions of years and were first organisms to inhabit the planet. They continue to be 1st organisms to return to an area after fire and Do you think the elucidation of the complete human genomic DNA sequence has fa..
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