<span>E. Stimulation of T-cell by APC</span>
The initial exposure of the body to an infectious agent e.g. through a vaccine, triggers an immune response most of which rapidly diminishes after the vaccination. However some cells of the immune system called lymphocytes remain with a memory of that pathogen.As a result, if the same pathogen infects a vaccinated person, the memory cells remember and recognize it and rapidly spring into action triggering a much more rapid response specific to that pathogen than the initial exposure, effectively dealing and neutralizing the pathogen.
Answer:
True
Explanation:
B cells are involved in the humoral immune response and T cells are involved in the cell-mediated immune response. Class 1 MHC molecules are found on all uncleared cells and class 2 MHC molecules are found on macrophages, B cells, and activated T cells.
Answer:
The answer is still no;
Explanation:
as they live in water they probably don't take it in as a conscious response to seek out and drink water. Thirst is usually defined as a need or desire to drink water. It is unlikely that fish are responding to such a driving force.
Correct answer: C) Concentration gradient
The process of movement of a particle in a solution from the region of higher concentration to the region of lower concentration across a membrane is called as concentration gradient.
For example: If we drop a few drop of dye in a glass of water, it will diffuse along a concentration gradient, i.e, the region where dye is found in highest concentration to the region where it is in lower concentration.
It will occur until the concentration of dye become uniform in all the direction in the glass of water.
The study 'Immunogenicity and safety of the adjuvanted recombinant zoster vaccine' aims to identify the functions of the pneumococcal polysaccharide vaccine in adults.
<h3>What is Immunogenicity?</h3>
Immunogenicity can be defined as the properties that a given macromolecule or vaccine has to trigger a concomitant immune response.
Moreover, adjuvanted recombinant vaccines are based on specific compounds that boost the immune response, and these vaccines are generated by DNA recombinant techniques.
In conclusion, the study 'Immunogenicity and safety of the adjuvanted recombinant zoster vaccine' is a scientific publication that aims to identify the functions of the pneumococcal polysaccharide vaccine in adults.
Learn more about immunogenicity and immune response here:
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