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Define antigen Why are they important fighting infection?macrophage also referred as an antigon-presonting appropriate temExplain why that is ancell is type of whit...

Question

Define antigen Why are they important fighting infection?macrophage also referred as an antigon-presonting appropriate temExplain why that is ancell is type of white blood cell that has surface receptors that Does an individual recognize antigens cell have the ability recognize more Explain your answer. than one type antigen?Explain the relationship between the antigen-presenting cells and helper cells.Watch the video on slide and answer the following questions. What specifically results from th

Define antigen Why are they important fighting infection? macrophage also referred as an antigon-presonting appropriate tem Explain why that is an cell is type of white blood cell that has surface receptors that Does an individual recognize antigens cell have the ability recognize more Explain your answer. than one type antigen? Explain the relationship between the antigen-presenting cells and helper cells. Watch the video on slide and answer the following questions. What specifically results from the release of cytokines by helper ` cells? What is the problem with helper T cells carrying out this function in HIV infection?



Answers

Explain how T cells recognize an antigen. What are the types of T cells, and how do they function in immunity? (pages $147-49$ )

This question, we watched a short video discussing how h. I v. S. R. HIV viruses are handled at the beginning when the virus infects the body. And this question is asking what is the role of the dented Exelon affection? So what dendritic cells is the capture pathogens and this cage, the HIV and then it takes it to a lymph node and then here at the lump. No, there's gonna be cells that interact with HIV and continue on to mount the immune response.

We're looking at some immune cell sent on by descriptions, so that's a look. A. The description is a large bay decides. So the largest sense of these is the macro page. It's a macro page is a clues in the name. It's a very large so next for beat, we have the antigens presenter on this is V dendritic cells within critic. So as MHC molecules on the surface, it's and Gulf's pathogens like bacteria. And then it presents possible as androgen on its surface. See, activates oval Emphasize again goes hint in the name here but help a t. So for help, it's you. So, um, targets of a lymphocytes, including be SOS to activate them on and activated. Be so woman duty, it will make antibodies which commend target and neutralized. Johnston. So that's how we, uh, I think a power means house to be descriptions

Action here asked what an and teach it here it. So I'm essentially an anti gin is going to be a particular molecule on the surface of a foreign cell or foreign pathogen. In this particular case, that will trigger an immune response as it does not, as the body does not recognize it. So the best answer to this is going to be D.

So the question here wants us to match the immune cell with its main function. So we know that we have five different options. We know that the dendritic cells are similar to macrophages, where they basically are a professional fate aside, So in this particular case is going to be a B. Cells here produce antigens well, actually creates antibodies in response to an Auntie Jen. So in this particular case, the answer to B B cells de helper T cells. We know our produce when we have a particular protein in the blood binding to a MHC class one and these activate on other lymphocytes, I'm not personally kill. Then I'm killed the foreign pathogens. So in this particular case, this is going to be seen. And taste NK cells, which are natural killer cells, are basically analogous to that of side of toxic T cells. So in this president place, these will kill a legs, body cells that lack that MHC markers. So this is going to be me and macrophages here back basically take in, um, various for particles and present its antigens. Seven. This part, please. It's B


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