Answer:
CD4 on the surface of helper T-cells.
Explanation:
MHC class II ( major histocompatibility complex) molecules are processed from the exogenous source. The presentation of antigen on cells are important for the adaptive immune response.
MHC class II interact with CD 4 present on the surface of T helper cells. This interaction is important for the generation of an immune response. Helper T cells can release cytokines and can perform phagocytosis.
Thus, the correct answer is option (C).
The solution to the above question using the formula f=1/T where. T=0.5seconds is f=1/0.5= 2 hertz
It depends on the elephant for example an African bush elephant weighs around 13,000 pounds and a Asian elephant weighs around 8,800 pounds and a African forest elephant weighs 6,000 pounds
<span>The answer is D. Interstate Highway System. The United States envisioned a highway system that would allow for controlled access to the road with no stop lights and a higher speed limit. This would allow for a faster means of transportation for goods and people throughout the country. In modeling this highway system, the United States looked to the autobahn in Germany after seeing how successful it was.</span>
