1) pathogen
2) viruses
Some bacteria are not harmful to your body hence not all of them are pathogens
Answer:
A blood donor is a person who donates blood and a blood recipient is a person who receives donated blood.
Explanation:
The substrate of the citric acid cycle which can block respiration when it is present in excess is MALONATE. Malonate inhibits respiration by competing with succinate dehydrogenase for its acitve site. Malonate binds to the active site without reacting, thus competing with succinate. This disrupts the cellular respiration in the cell.
