Scelta multipla
Type I hypersensitivities require which of the following initial priming events to occur?
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21. The Immune System
Introduction to the Immune System
Scelta multipla
A basic immunoglobulin molecule is composed of how many polypeptide chains?
A
Two polypeptide chains
B
Eight polypeptide chains
C
Four polypeptide chains
D
Six polypeptide chains
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Understand the structure of an immunoglobulin molecule, which is a type of antibody.
Recognize that a basic immunoglobulin molecule is composed of two types of polypeptide chains: heavy chains and light chains.
Each immunoglobulin molecule typically consists of two identical heavy chains and two identical light chains.
Add the number of heavy chains and light chains together: 2 heavy chains + 2 light chains.
Conclude that the total number of polypeptide chains in a basic immunoglobulin molecule is four.
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