An antibody, because antibodies are produced for a specific virus and are unique to that virus, that protein is the response to influenza.
The cleanliness of a ecosystem or how healthy it is. It determines how clean an environment/ecosystem is. You need all types of animals living there, therefore making it more healthy. The more healthy, the more we can say that it is biodiverse.
Answer:
I think its chemical energy is not required because passive transport doesn't need energy at all
The Iron in the molecule binds to the oxygen. Carbon Dioxide does not bind to a cell but rather, is carried in the blood as bicarbonate.
