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You are to convert the 5 mM fumaric acid in a waste stream into malate using fumarase immobilized on nonporous spherical particles. The enzyme has a turnover number of 23/sec, and a Km of 1.55 mM. The immobilized enzyme particles are 1 mm in diameter, and they contain 99.4 x 10-4 mg enzyme/cm2 of support. The mass transfer coefficient is 2 x 10-4 cm/sec. The molecular weight of fumarase is 48,000.a) What is the fumaric acid concentration on the surface of the particles?b) What is the effectiveness factor for the immobilized enzyme?c) What should the reaction rate be to treat 1 liters of the waste stream per day?d) What surface area is required to yield the required reaction rate?e) How many particles would be required?
HGT makes it possible for minimally useful genes to persist in bacerial population. The model proposes that unessential genes of related function are arranged in operons.
What do you think about the effect SDS, NaOH, and HCl will have on the cell membrane of a red cabbage leaf?
There are several examples of eukaryotic cells. Algae, Fungi, Plants, and Animals are all comprises of eukaryotic cells.Select either a plant or an animal cell.
Discuss why are heterotrophic, autotrophic and mixotrophic protists not classified as plants or animals?
Suppose that a molecular clock has been operating since the divergence of two species, calculate the divergence rate, given that the amino acid difference is 20 percent.
Suppose that the cells grow to about 10^5 cells per squre cm and contain about 10pg RNA per cell, determine the theoretical yield of RNA from one of your samples.
Discuss how do use the factor-label method to calculate the number of grams of KMnO4 that you would need to make 100 ml of a 0.0045 M potassium permanganate solution?
Assume you have a set of 4-Hfr strains and you carry out a series of crosses with a multiply marked recipient that is auxotrophic for many different nutritional markers.
Spiny species of diatoms are found both in warm subtropical waters in addition to in colder areas. Since warm water is less dense than cold water, would you predict any differences between the spines of warm-water and cold-water individuals? Why.
evaluate and contrast the electron transport systems. Include a discussion of the inputs and outputs of each ETS and also give examples of specific electron carriers.
Sickle cell anemia is a disease of red blood cells in which the genetic mutation in DNA leads to a mutation in hemoglobin. A single base vary alters the DNA sequence CTC to CAC which codes for the wrong amino acid. What amino acid is coded for throug..
A particular variety of corn has a gene for kernel color and a gene for height with the phenotypes CC,Cc: purple kernel.
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