T cell activation is initiated by an activated B cell.
The B cell presents antigens on its MHC receptors. The T cell recognizes the antigen bound to the MHC. There are other cosignals that fully activate the at cells but the antigen on the MHC receptor on the B cell is where it all starts.
Answer:
Yes. This reaction supports the Law of Conservation of Mass. There are the same amount of each type of atom which holds the same amount of mass. Therefore it is true that this chemical reaction supports the Law of Conservation of Mass.
Explanation:
This is not my answer this is froma fellow brainly user named "acelinelor" I just got this to help you out !! :)
Answer:
chloroplast
Explanation:
chloroplast helps in the presence ofsunlight to aid photosynthesis
I'm fairly sure it would be windward and leeward. So C