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Although normal E.coli cells can synthesize all the amino acids, some mutants called amino acid auxotrophs, are unable to synthesize specific amino acids and require the addition of that amino acid to the culture medium for optimal growth. In addition to their role in protein synthesis, specific amino acids are also required in the biosynthesis of other nitrogenous cell products. Consider the three amino acid auxotrophs that are unable to synthesize glycine, gjlutamine and aspartate, respectively. For each mutant what nitrogenous cell products, other than proteins, would fail to be synthesized.
What is one way you might get bacteria of part b growing again without changing the medium. What result could be predicted if you were to transfer the bacteria of part a to the medium containing only unsaturated fatty acids without making any other ..
Both endocrine and nervous systems are major regulating system of the body; though, nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. In brief explain this comparison.
A sample of h2O with a mass of 46 0 grams has a tempeture of -58 0 celsiuse how various joules of energy are necessary to heat the stream of 100 0 celsiuse to 114 o celsiuse if specific heat of steam is 2 01 g celsiuse.
What do you think is the most probable mechanism of browning? If a patient's resting cardiac output is 5.6 l/min and on a stress test she elevated her heart rate to the highest of 176 beats/min with a stroke volume of 115 ml/beat, what is her cardiac..
The measurements to be comparable in both preparations. Illustrate one experiment you could perform to demonstrate such lack of equivalence of the two cells in the zygote. Noticeably state the expected outcome of your experiment in the reply you prov..
Eukaryotic cells may divide through mitosis or meiosis. How do the meiosis and sexual reproduction (fertilization) generate the offspring which differ genetically from the parents?
You now grow Daphnia and Bosmina together. Suppose they remain limited by phytoplankton. What genetic basis of erminette pattern is suggested? How would you test your hypothesis.
What are some of the unique circumstances of forensic genetic evidence.
Contrary to the legend camels do not store water in their humps, that actually consist of a large fat deposit. How can these fat deposits serve as a source of water.
what happen if any did the UMP have on the activity. An investigation was set up to observe the effect of varying concentrations of the substrate galactose(S) on the rate of reaction of the kinase,v, with and without an added artificial nucleoside ..
The molecules of all matter, particularly gases and liquids, are in constant vibration motion. As a result of this motion, molecules are continually colliding with one another, much like balls scattering over a pool table.how to Add a coverslip ov..
Utilize the words mesoglea, epidermis, gastrodermis, polyp, medusa, and gastrovascular cavity to describe the differences between the two forms of phylum cnidaria.
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