More cells participate in this response than the in the primary response. The secondary response is more rapid and produces a greater amount of antibody. Moreover, the antibody concentration remains high for a much longer period. The main antibody produced during the secondary response is IgG. The secondary response is due to the activity of the B-lymphocytes (memory cells) stimulated during the primary response.
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Zip Code 29680 Description. Zip Code 29680 is located in the state of South Carolina in the Greenville - Spartanburg - Asheville metro area. Zip code 29680 is primarily located in Greenville County. The official US Postal Service name for 29680 is SIMPSONVILLE, South Carolina. Portions of zip code 29680 are contained within or border the city limits of Simpsonville, SC, Mauldin, SC, . The area code for zip code 29680 is 864. 29680 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in South Carolina.