Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
June 21, 2023
Immunology

The Ultimate Guide to Immune Recognition and Response: Mechanisms and Processes Explained.

Immune recognition and response ~ The diversity of recognition possibilities for TCRsis not limited by the linear genome; for T cells canrearrange their DNA during development to...

Mohamed Abbas
June 21, 2023
Immunology

T-cell Receptors and the Role of Cytotoxic T Cells in Immune Response

T-Cell Receptors and Cytotoxic T Cells ~ Thus CTLs develop TCRs that have antibody likemolecules on their surface that display an Ab”like” recognition for a specific pathogen....

Mohamed Abbas
June 21, 2023
Immunology

Role of Antigen Presenting Cells in Activating the Immune System

Antigen processing by antigen presentingcells (APCs) ~ After phagocytosis of foreign bodies, APCsprocess the foreign proteins (proteaosome orlysosome) and then move these molecules to thesurface with major...

Mohamed Abbas
June 21, 2023
Immunology

MHC Class I And Class II Antigen Presentation: Key Players in the Immune System

Antigen presentation by MHC class I & II ~ Structural fit of Ag in MHC class I & II molecule. Antigen presentation is a vital process in...

Mohamed Abbas
June 21, 2023
Immunology

Unlocking the Immune Response: Antigen Uptake by Dendritic Cells, Macrophages, and B cells

Antigen recognition by T cells: Antigen uptake ~ Incorporation ofantigen (via phagocytosis, pinocytosis, or endocytosis). Antigen uptake is the process of taking up an antigen by antigen-presenting...

Mohamed Abbas
June 21, 2023
Immunology

Antigen Presentation Pathways: Key Mechanisms for T Cell Recognition and Immune Response Activation

Antigen recognition by T cells: Antigen presentation ~ APCs deliver an antigen-specific signal through the major histocompatibility complex (MHC)-peptide->T cell receptor (TCR) interaction on T cells.~ Note...

Mohamed Abbas
June 21, 2023
Immunology

T Cell Antigen Recognition: Key Steps in Adaptive Immune Response Activation

Antigen recognition by T cells: T cell activation ~ The required secondsignal is provided via CD80/86 – CD28 that induces the expression of CD154 first and CD152...

Mohamed Abbas
June 21, 2023
Virology

Exploring the Characteristics of Viruses: Their Structure, Reproduction, and Pathogenicity

What are some properties of a virus? 1. Its genome is surrounded by a protein capsid.2. Its genome consists of DNA or RNA.3. It is an obligate...