The nature of the pathogen is an intrinsic feature that is involved in shaping the effector cd4 T-cell response.
<h3>What are cd4 T-cells?</h3>
The cd4 T-cells are cells of the immune system involved in adaptive immune responses, which emerge by contact with the pathogen and involve the production of antibodies that target specific antigens.
In conclusion, The nature of the pathogen is an intrinsic feature that is involved in shaping the effector cd4 T-cell response.
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Scientists developed the time scale by studying rock layers and fossils world wide.
Radioactive dating helped determine the absolute divisions in the time scale. so mass extinction help because there is more to study
Hi!
I would say D, diphtheria, because it is eaisly prevented by a vaccine and it I'd a nose and throat disease.
Hope this helps!
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.