Immune Response in biochemistry
Antibodies bound to an invading microorganism activate the complement system via

Embden Meyerhof pathway
classical pathway
metabolic pathway
Entner-Doudoroff pathway

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Immune Response in biochemistry
If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?

Memory B lymphocytes for the antigen of this disease organism
A very high level of antibodies against the disease antigens
The disease organism itself and antigens for the disease organism
All of these

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