Which of the characteristics below are associated with...

Which of the characteristics below are associated with helper T lymphocytes, and which are associated with cytotoxic T lymphocytes? Indicate your answer by dragging the characteristics into the appropriate bin below. Items (10 items) (Drag and drop into the appropriate area below) Express CD8 Activate B cells Bind antigen presented on MHC II Fight viral infections Kill infected host cells Eliminate cancer cells Bind to antigen presented on MHC I Categories Helper T Cells Cytotoxic T Cells

Transcript

0:00 Hello everyone.

00:01 So our question says that we need to arrange the correct, like we have many options.

00:12 And in the question, it is said that which of the characteristics below are associated with helper t lymphocytes, that is these t helper cells and which are associated with cytotoxic t lymphocytes, that is the cytotoxic cells.

00:27 Okay.

00:27 So first let us understand the different.

00:30 Between both of them now the t helper cells they are the t cells which instruct b cells and other immune cells to respond to the infection okay so what the t cells do is that they activate the b cells all right after that or the cytotoxic cells they are the t cells which kill cancer cells and virus okay so these cells they fight viral infection after this they also kill infected host cells and they eliminate the cancer cell as well okay so these are some of the functions of the cytotoxic cells now they after the infection the te helper cell they slow down the immune system immune response when the infection is gone all right and in teatotoxic cells they keep on killing due to the activation all right so they slow down after infection and these they keep killing until they are not signal to stop killing all right the next point of differentiation is that the t helper cells they have several functions including stimulation of b cells macrophages suppress the t cells activation of killer t cells etc okay now the t helper cells they cannot directly kill the infected cells whereas the t cytotoxic cells they have a major function which is to kill antigens directly.

02:05 All right.

02:06 So they kill the infected cells or the antigens directly.

02:11 Now these activate the b cells...

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