The answer is A btw you don’t have to use that chart the best way to do or the easy way to do it by doing it on the amino acid wheel it’s much better and faster.
Let me know if you have any questions:)
After the macrophage fails the Helper T Cell stimulates the B cells (create antibodies) if pathogen is extracellular and Cytotoxic T Cells (killer T cells, release perforin) if pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells.
<span>Hope that's helpful.</span>
<span>The answer is Viking 1 and 2 that explored Mars
planet. Both were launched in 1975 and their mission ended in 1980. The main
objectives of the orbiters and landers were to take pictures of the planet,
collect samples, and conduct experiments to find signs of life on the planet. </span>
Explanation:
set in place for an orchard of apples being grown in New York State and explain why they might be effective.
3 SENTENCES AT THE LEAST