For the peptide ser-arg-lys-ala-asn-ser-ala-ser, what would be the expected charges at ph 1, 7, and 13

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Which group of molecules are targeted by the kinases in order to control this movement