PCB 3233 Full Solution Pack Updated 2024,2025 with complete solutions

Describe Type I vs Types II interferons? - Type I interferon is secreted when a human cell is infected with a virus, interfere with viral replication, alert immune system cells that an infection is present, make virally infected cells more vulnerable to killer lymphocyte attack, Type I interferon ...

Single Positive - has either CD4 or CD8 CD2 and CD5 - perform adhesion and signaling. They are present during double negative stage Thymocytes rearrange which 3 genes at the same time? - Beta, gamma, and delta pTalpha - surrogate alpha chain. signals cell to halt gamma, delta, Beta chains, gene ...

What are the external TLRs - TLR-5:Bacterial Flagellin TLR-4:Bacterial LPS TLR-3 recognizes? - Double stranded Viral RNA TLR-7 recognizes? - Single stranded Viral RNA TLR-5 recognizes? - bacterial flagellin TLR-4 recognizes? - Bacterial LPS Leukocytes in the order to action - 1. Neutrophils - ...

start of chapter 7 Define clonal expansion and how it contributes to the activation of naïve T cells. (Hint: B7, CD28, and PAPCs are all involved at this point) - Clonal expansion is the proliferation of lymphocytes to produce identical cells. This means more naïve T cells can be activated by P-...

What are the four classes of pathogens? - bacteria, viruses, fungi, parasites Candida albicans- - normal inhabitant of the human body, thrush & systemic infections protective/adaptive immunity takes time to develop while ________________________ can _________ _______- and cause disease - microorg...

Which disease state is caused by loss of approximately 80% of the RAG proteins enzymatic activity and misssense mutation? (hint: infant has a red rash on the face and shoulders) - Omenn Syndrome Major histocompatibility complex class I presents: - Intracellular antigens to CD8 T cells __________ ...

What process creates the variable region domain for both TCRs and BCRs? - Somatic Recombination What the different types IFN-1? - Alpha and Beta What are the differences and similarities between CD8 T Cells and NK cells? - The both have the same cytotoxic granules, NK cells are activated faster,...