Many rickettsia are PATHOGENS.
Pathogens are micro organism that cause diseases and rickettsia are majorly disease causing organisms. They are rod shaped bacteria and most species are gram negative. They are natural parasite of some arthropods and they cause diseases in both humans and animals.
All of the chemical reactions that take place inside of a cell are collectively called the cell's metabolism.
Answer:Prophase
Explanation: Prophase. In animal cells the cells have already begun to separate during prophase while in plant cells they are duplicating chromosomes
Explanation:
red blood cells,white blood cells and platelets
