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Think about a strain of E. coli that has a mutation in the gene encoding the IIA protein of the phosphotransferase system. The transport of glucose is not affected by this mutation; the mutant IIA protein can be phosphorylated and the phosphate group is transferred to glucose just as it occurs in the wildtype strain. However, phosphorylation of the mutant IIA protein does not affect its interactions with LacY and adenylate cyclase; i.e. - the phosphorylated form of the mutant IIA protein interacts with LacY permease and adenylate cyclase in a manner identical to the unphosphorylated form of the wildtype IIA protein. How will the lac operon be expressed in this mutant strain of E. coli in the following conditions?a. pplus glucose, minus lactose:b. p pLus glucose, plus lactosec. iminus glucose, minus lactose:d. mmiinus glucose, plus lactose:
After a long scuba diving session on a Caribbean reef, Carl boards a plane to Dallas. He begins to feel pain in his elbow on the flight back to Dallas. What is happen to him and why? How does he require to be treated.
The procedure of beta oxidation and fatty acid synthesis are regulated in such a manner that neither procedure is active at the same time.
Explain three examples of wehre fossils have been used to recontruct behavior of extinct animals.
Starting with a hydrophilic signaling molecule, explain the process that takes place with a G-coupled protein signaling pathway. Suppose that cAMP is your main secondary messenger.
The movement of glucose into a cell against a concentration gradient is most likely to be accomplished by which of the subsequent. movement of glucose into the cell through a glucose channel.
Elucidate results of all four crosses, using clearly defined gene symbols. describe origin of both of the original prototrophic colonies.
In a cross between a purple flowered plant and a white flowered plant, all 73 of the offspring had purple flowers. What are the most probable genotypes of the parent plants.
In this case, we are tracking an enzyme secreted by pancreatic cells. What is its most possible pathway. Find out how many calories you will have saved by eating this reduced-fat product instead of the high-fat one.
Colchicine causes disassembly of microtubules. What result (if any) may you see on a giant algal cell in which cytoplasmic streaming is occurring.
John Thompson wishes to start his own horticulture business. He has no experience with owning his own business and doesn't know where to start. and discuss and define the Alternation of Generations.
explain some of the bioethical concerns related to screening for genetic diseases.
Determine volume of the sodium citrate in order to make up 7.5% solution. A solution needs 250 ml of a 7.5% (w/v) solution of the tri sodium citrate.
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