Answer:
B
Explanation:
Its 23 in mitosis cell division
Jejunum if what i thought of
1) pathogen
2) viruses
Some bacteria are not harmful to your body hence not all of them are pathogens
A Eukaryotic cell engulfing a bacterial cell.
You may want to know that the bacteria which used to photosynthesise , after they have been engulfed by an eukaryotic cell , they evolved into Chloroplasts .
However for the bacteria which used to respire , they have evolved into mitochondria.
Hope this helps :) Good Luck !