2 answers:
I only know the answers to number 2 and 4. 2 is A, and 4 is C.
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B. tears , this is not a first line of defense
I think none of the above...
This is mutualism because both species benefit
Answer:
It is the endoplasmic reticulum and the ribosomes of the specialized cells in the pancreas that make insulin
Explanation:
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