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Biology 15 Online
OpenStudy (anonymous):

Please help! Isn't multiple choice. The human immune system produces ____ in response to a vaccine, which later can blind to and destroy a pathogen if it invades.

OpenStudy (anonymous):

@SolidIceCream , perhaps you can help me...once again? Please

OpenStudy (anonymous):

It might be antibodies.

OpenStudy (anonymous):

Thank you!

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