I believe it's either microwaves or x-rays
I studied this last year
I did not understand the question and I do not think this a finished question.
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
Intrinsic factor is necessity for absorption of vitamin B12
