When AncestryDNA launched in 2012, we compared your DNA against 22 possible regions. We now have more than 1,500.
Answer:
a) is a way for a cell to give information about its activities.
Explanation:
Antigen processing and presentation is the process in which an antigen presenting cells expresses a peptide antigen on its cell surface in association with a classical class molecules
A. hinting at things that may come in the future
Answer:
Diffuse in all regions of the filter.
