The primary difference between active and passive immunity is accounted for by the presence of memory cells in the former.

Question

Quizplus · Accepted Answer

Active immunity involves the production of memory cells, which can remember and quickly respond to future exposure to a pathogen. In contrast, passive immunity involves the transfer of pre-formed antibodies from one individual to another, without the development of memory cells.

The Primary Difference Between Active and Passive Immunity Is Accounted