That is true it was for a virus
Answer:
The correct answer is option b. phosphorylcholine.
Explanation:
Endocytosis of Streptococcus pneumoniae by different body cells is triggered by the Phosphorylcholine. Phosphoorylcholine is an antigenic cell-surface component present on many pathogenic bacteria and commensals such as Streptococcus pneumoniae.
The autoantibodies that present in the bodies are due to phosphorylcholine that is created by CD8+ and B cells.
Thus, the correct answer is option b. phosphorylcholine
Simply walking alone can actually do both of these however if you are looking for multiple answers then here are some examples:
-Playing Sports
-Jogging
-Lifting Weights
-Swimming
-Dancing
-Bike Riding
etc...
Anyways, hope I helped!
