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TLS Online TPP Program

#Question id: 1929

Which of the following is an example of an immune escape mechanism used by some tumor cells?

#Section 2: General Biology

  1. Inhibition of indoleamine-2,3-dioxygenase

  2. Increased expression of MHC class I

  3. Increased expression of PD-L1

  4. Decreased expression of FasL

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TLS Online TPP Program

#Question id: 1632

#Section 2: General Biology

A single plasma cell secretes:
TLS Online TPP Program

#Question id: 1633

#Section 2: General Biology

Immunological memory can be transferred experimentally by:
TLS Online TPP Program

#Question id: 1634

#Section 2: General Biology

What is the main reason an experimental animal treated with X-rays can act as a living test tube for lymphocyte transfer experiments?
TLS Online TPP Program

#Question id: 1635

#Section 2: General Biology

What is immunological unresponsiveness to self-antigens called?
TLS Online TPP Program

#Question id: 1637

#Section 2: General Biology

Protective antibodies against infectious agents are often:
TLS Online TPP Program

#Question id: 1638

#Section 2: General Biology

Intracellular parasites within macrophages are killed more readily in the presence of: