In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: The following may occur in multimeric form associated with the J chain:
Options: <1> IgA and IgG. <2> IgD and IgM, <3> IdE and IgD. <4> IgA and IgD. <5> IgA and IgM.
5

Question: In relation to the bacterial growth in liquid medium not renewed, which of the following statements is correct?
Options: <1> The generation time is a constant parameter. <2> The phase of exponential growth is perpetual. <3> There is a direct relationship between the specific growth rate and the generation time. <4> There is an inverse relationship between the specific growth rate and the generation time. <5> The generation time and the specific growth rate are not related.
4

Question: According to the Arrhenius equation, k =
Options: <1> The kinetic constant (k) decreases with increasing temperature. <2> The pre-exponential factor (A) is dimensionless. <3> In reactions with higher activation energy (Ea), the kinetic constant (k) depends enormously on the temperature. <4> The pre-exponential factor (A) and the kinetic constant (k) are inversely proportional. <5> The Arrhenius parameters are the kinetic constant (k) and the preexponential factor (A).
3