As an Amazon Associate I earn from qualifying purchases.

What is Antigen presentation in Biology? PDF | Download eBooks

Learn Antigen presentation definition in biology with explanation to study “What is Antigen presentation”. Study antigen presentation explanation with biology terms to review biology course for online degree programs.

Antigen presentation Definition

  • Movement of the MHC molecule and bound antigen fragment up to the cell surface results in antigen presentation, display of the antigen fragment in an exposed groove of the MHC protein.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson



Antigen presentation Explanation

Antigen presentation describes a vital immune process which is essential for T cell immune response triggering. Because T cells recognize only fragmented antigens displayed on cell surfaces, antigen processing must occur before the antigen fragment, now bound to the major histocompatibility complex (MHC), is moved to the surface of the cell, a process known as presentation, where it can be recognized by a T cell receptor. If there has been an infection with viruses or bacteria, the cell will present a peptide fragment derived from the antigen bound to MHC molecules on its surface

Keep Learning Biology Explanations

What is Immune rejection?

A good example of immune rejection is the skin transplanted from one person to a genetically nonidentical person will look ...

What is Metamorphosis?

Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively ...

What are Point mutations?

A point mutation is a mutation that only affects a single nucleotide of nucleic acid. Point mutations most commonly involve ...

What is Chemical bond?

An interaction between atoms that last for a long time and is responsible for holding the atoms together. A chemical ...

What is Endometriosis?

Endometriosis is a condition in which cells comparable to those in the the layer of tissue that normally covers the ...

What is Systole?

The systole is the part of the cardiac cycle during which some chambers of the heart muscle contract after refilling ...