Cel ii Samenvattingen, Notities en Examens

Samenvatting van cel 3

Immunoglobulins are secreted by which type of cell? A. B-lymphocyte B. Megakaryocyte C. T-lymphocyte D. Natural killer - ANSWER-A. B-lymphocyte B lymphocytes synthesize and secrete immunoglobulins. Which portion of the immunoglobulin activates the complement pathway? A. MHC Class I B. Fab C. Fc D. MHC Class II - ANSWER-C. Fc The Fc region activates the complement pathway. Which of the following is a class II HLA antigen? A. B B. DR C. A D. C - ANSWER-B. DR HLA DR, DQ and DP are ...

IB BIOLOGY GENETICS LATEST 2024 GRADED A+ Gene a heritable factor that controls a specific characteristic. Allele one specific form of a gene, differeing from other alleles by one or a few bases only and occupying the same locus as other alleles of the gene. Genome The whole of the genetic information of an organism gene mutation a change in the base sequence of a gene. Base substitution The smallest possible change is when one base in a gene is replaced by another. An exampl...

Mark Scheme Summer 2023 Pearson Edexcel in GCE History (8HI0/2A) Advanced Subsidiary Paper 2: Depth study Option 2A.1: Anglo-Saxon England and the Anglo-Norman Kingdom, c1053–1106 Option 2A.2: England and the Angevin Empire in the reign of Henry II, 1154–89Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications including academic, vocational, occupational and specific progra...

Cel II : Structuur en functies samenvatting van de leerstof in de vorm van vraag-antwoord. Handige manier om de leerstof te verwerken door active recall. 16/20 gehaald in de eerste zit!

Dit document bevat het hoofdstuk: ‘antigen herkenning en presentatie ‘ gegeven door prof. Ebo in het vak immunologie.

allergy, occurring rapidly where the body is exposed to the allergen upon a second exposure. IgE binds to mast cells, inducing the release of histamine. (e.g. hay fever, bronchial asthma) Type II hypersensitivity (cytotoxic) - CORRECT ANSWER IgG or IgM antibodies are directed against cel surface antigens, stimulating the complement pathway and causing destruction of host cells (e.g. erythroblastosis fetalis, blood transfusion reaction) Type III hypersensitivity (immune complex) - CORRECT ANSWER ...

Pearson Edexcel Merged Question Paper & Mark Scheme (Final) October 2023 Pearson Edexcel International Advanced Level In Biology (WBI16) Paper 01 Unit 6: Practical Skills in Biology II

Pearson Edexcel Merged Question Paper & Mark Scheme (Final) Summer 2023 Pearson Edexcel International Advanced Subsidiary Level In Biology (WBI16) Paper 01 Unit 6: Practical Skills in Biology II