Biology, 01.08.2019 23:00 lisatreshnell
About two dozen histidine residues in hemoglobin are involved in binding the protons produced by cellular metabolism. in this manner, hemoglobin contributes to buffering in the blood, and the imidazole groups able to bind and release protons contribute to the bohr effect. one important contributor to the bohr effect is his 146 on the β chain of hemoglobin, whose side chain is in close proximity to the side chain of asp 94 in the deoxy form of hemoglobin but not the oxy form. a. what kind of interaction occurs between asp 94 and his 146 in deoxyhemoglobin? b. the proximity of asp 94 alters the pk value of the imidazole ring of his. in what way?
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Biology, 22.06.2019 08:00
Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen
Answers: 2
Biology, 22.06.2019 11:40
Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.
Answers: 1
About two dozen histidine residues in hemoglobin are involved in binding the protons produced by cel...
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