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Biology
OpenStudy (anonymous):
A body-produced chemical helping to break down food for digestion is called an: A. infragen B. enzyme C. expectorant D. antigen
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OpenStudy (kainui):
What do you know about the following four choices?
OpenStudy (anonymous):
nothing
OpenStudy (kainui):
None of these have been mentioned in your class?
OpenStudy (anonymous):
Don't be so hard on the kid. Let's first figure out what kind of class he is taking.
OpenStudy (kainui):
I'm just asking questions to see what's known or not known to try to base the help I give on things that make sense. If nothing is known, then I can't help lead anybody to the right answer.
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OpenStudy (anonymous):
enzymes
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