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.
Viruses can multiply very quickly, and so they can go through natural selection at a much quicker rate, allowing certain vaccine resistant mutations to take over a population.
Answer:
ATP contains energy in the chemical bonds between its phosphate groups, best explains how the structure of ATP helps provide energy to the cell.
Explanation:
brainly.com/question/2456485
