Biologi 4. Figure 1 shows the graph of concentration of antibody in the blood (%) over a period of 40 days. Based on the graph, answer the following questions. (a) Explain the reaction of the body against the infection of virus A. (b) How long does it take for the body to build antibodies to reach the immunity level after an infection? Photograph 1 (c) Give one reason why the antibody level drops after reaching the immunity level. Concentration of antibody in blood (%) Exposed to virus A Immunit level 0 5 10 15 20 25 30 35 40 Figure 1 Time (day) gregorialemkeulv – April 02, 2023
Biologi haloooo :> quis !ciri ciri makhluk hidup?a.diam di tempatb.mnghadap ke atas c.Berkembang biakd.berwarna kuningsoal nya kls 3 lhoo !masa ga bisaa >< gregorialemkeulv – April 01, 2023
Biologi tuliskan struktur pembelahan sel baik itu mitosis maupun miosis gregorialemkeulv – March 13, 2023
Biologi tuliskan struktur pembelahan sel baik itu mitosis maupun miosis gregorialemkeulv – February 06, 2023