The thylakoid membrane in the chloroplasts of photosynthetic organisms
The instructions on a chromosome are called-DNA
-Steel jelly
I know they carry diseases which can harm or kill the animal it is attached to. These diseases can taint the meat of the animal so it wouldn't be wise to eat it which stinks if the animal is bread for eating. They can also irritate the skin and cause rashes, or even eat the flesh of the animal away.
Anna's infection affected her body cells, it impaired the body's function and all organs. The urinary tract infection resulted to a septic shock that caused multiple organ failures. In addition to this, bacteria is yet to be identified so there is no actual reason stated for the cause of death.