Answer:
The correct answer is the primary response.
Explanation:
Immune response to an antigen can be categorized as a primary response or the secondary response, Primary response takes place as a result of first time exposure to the antigen. Naïve B-cell and T-cell are the cells of the primary response action. The lag phase is generally four to seven days however in some cases it can be weeks or months.
The primary response is slower in comparison or the secondary response. IgM is main and produced first in the primary response. Lymph nodes and spleen are sites for the primary response.
Thus, the correct answer is the primary response.
Answer:
Option (d).
Explanation:
The individuals generally responses to the sudden noises and like to listen the noise that are pleasant to their ear. They develops a type of learning or memory against that noise.
Michelle has put on the headphones and listen white noise. She always click the button on listening the noise. She is more likely to develop the more false alarm that activates when she listen to that noise. She has developed a kind of response against the white noise.
Thus, the correct answer is option (d).
Found on the surface of cells
Answer:
the team from Philippines took 14 gold medals
