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1. If the steric demands of the leaving group in the 2-methyl-s-butyl system were greater than those of a methyl group, why would 2-methyl-1-butene be expected to be formed in greater amounts than if the leaving group were smaller than methyl, regardless of which base is used? Use Newman projections to support your explanation.
2. It has been shown that there is an important stereoelectronic requirement for an anti-periplanar relationship between the leaving group and the beta-hydrogen during an E2 elimination. Predict the structure of the man product of the dehydrobromination of trans-2-bromomethylcyclohesane using alcoholic potassium hydroxide. (Hint: the elimination may not occur via the lowest energy chair conformer.)
Pneumonia is diagnosed by a presence of fluid (dark shadows in an X-ray image) in the alveoli. Given that pneumonia generally is caused by a microorganism, what causes the fluid accumulation? Name a bacterium, a virus, a fungus, a protozoan, and a he..
Comparisons of amino acids sequences can shed light on the evolutionary divergence of related species. Would you be expecting all the proteins of a given set of living species to demonstrate the same degree of divergence.
A man drops a baseball off of the top of the Empire State Building. If the action force is the pull of the Earth on the ball, then what is the reaction force. What is the most possible diagnosis of the condition described? Explain.
What would occur to the preferred habitat of your plant (Red Maple) in case of partial water drainage of the Mer bleue marsh (such as the water level would go down half the depth of the marsh).
Determine which of the following are features of allosteric inhibition? During the infection, there are many different environments that P. multocida will encounter.
If antibodies are found in a patients blood specimen against the measles virus, should the patient be quarantined because they are infected with the measles virus? What other reason could there be for anti-measles antibodies in the patient's blood..
Explain why dihybird crosses of yeast always results in predicted phenotypic ratio but results of similar two crosses in eukaryotic organisms
How to write a discussion section for my electroencephalogram (EEG) lab report when all charts and data are already present.
1. The duck-billed platypus and other monotremes differ from other mammals in that they? a. are aquatic. b. have mammary glands. c. lay eggs. d. have hair.
A forty-two year old woman decides to lose weight on a diet prescribed by an anorexic friend. She loses about thirty pounds in 45 days, but her serum potassium level falls to 2.1 mmol/L.
If a double heterozygous plant were crossed with a plant that has green stems and red fruit, what offspring phenotypes would be expected and in what proportions.
The streak-stab technique, used to promote streptolysin activity, is preferred over incubating the plates anaerobically. Why do you think this is so?
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