Answer:
A teenager's decision to drink alcohol can be influenced by: early introduction to alcohol. exposure to adult binge drinking or alcohol dependence. access to alcohol from parents and others.
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.
Answer:
anaphase I homologous pairs separate