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Antigen-presenting cells have been shown to present lysozyme peptide 46-61 together with the class II IAk molecule. When CD4_ TH cells are incubated with APCs and native lysozyme or the synthetic lysozyme peptide 46-61, TH-cell activation occurs.
a) If chloroquine is added to the incubation mixture, presentation of the native protein is inhibited, but the peptide continues to induce TH-cell activation. Explain why this occurs.
b) If chloroquine addition is delayed for 3 hours, presentation of the native protein is not inhibited. Explain why this occurs.
What effect would a decreased number of ribosomes have on the rate of protein synthesis? What is different about transcription and translation in prokaryotes
The most likely organism to be causing septicemia depends, among other things, on the patients' personal risk factors (e.g., their underlying disease).
How are phenotypes driven by DNA (inheritance in offspring)?
Why does Bariatric surgery and diet pills are two weight loss options, that are most popular choices in the USA?
Normal cells from other parts of the colon?
During the life-cycles or alternation of generations seen incomplex land plants, the diploid stage progresses through which oneof the following sequences?
Describe the flow of energy and materials in an ecosystem.
Saccharomyces cerevisiae is a yeast that grows bothaerobically and anaerobically. Under which of these two conditionswould you expect S. cerevisiae to grow better?Explain your answer.
Case 1: Upon presentation: An 18-month-old female arrives by ambulance at the emergency department.
X and Y are separated by a semi-permeable membrane that is permeable to K+ ions and water but not to Na+ and Cl- ions. At equilibrium, which of the following statement(S) is (are) correct? A) Compartment X will be negatively charged
You are working on a Labor and Delivery Unit. It is 11:30 pm. There are three clients already admitted in labor. There are two RN's and one patient care tech wo
Differentiate between quality in a free market healthcare system and in single-payer government system with three (3) examples for each.
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