Question 9 of 14 Which of the following acts as a signal for the dendritic cell to begin cross-presentation? O Presence of self-reactive CD4 T cells O Expression of endoplasmic reticulum (ER) chaperones calnexin and calreticulin O Phagocytosis and processing of extracellular antigens O Cytokine release following the activation of engaged CD4 T cells
Question 9 of 14 Which of the following acts as a signal for the dendritic cell to begin cross-presentation? O Presence of self-reactive CD4 T cells O Expression of endoplasmic reticulum (ER) chaperones calnexin and calreticulin O Phagocytosis and processing of extracellular antigens O Cytokine release following the activation of engaged CD4 T cells
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Question 9 of 14
Which of the following acts as a signal for the dendritic cell to begin cross-presentation?
Presence of self-reactive CD4 T cells
O Expression of endoplasmic reticulum (ER) chaperones calnexin and calreticulin
O Phagocytosis and processing of extracellular antigens
O Cytokine release following the activation of engaged CD4 T cells
Question 10 of 14
Which of the following are true about MHC class I and MHC class II peptide loading?
Select all that apply.
MHC class I peptide loading occurs in four steps.
Peptide loading of class I molecules generated from intracellular proteins occurs in the endoplasmic reticulum.
MHC class Il molecules are loaded before they are part of a vesicle capable of fusing with a phagolysosome.
Peptide loading of class Il molecules occurs later in the secretory pathway than that of MHC class I molecules.
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