I think the first option is the answer.
T cell receptor, Cytotoxic T Cell, CD4, Antigen, Bacterium,
B – cell, Cell mediated response, Class II MHC, Cytokines, and Humoral Response
are the components for the activation of a helper t cell by a dendritic cell.
2 Homologous chromosomes in meiosis, and then replicate into sister chromatids.
Hope this helps, ( or is clear enough ) if not, comment below please!!!!
If proven to be true, a hypothesis can become a theory, a theorem, or a law. Since her hypothesis is proven to be true, it is no longer a hypothesis.
