The answer would be B. nucleic acids.
The answer is pheromones. Hope that helps :)
The answer would be flock
Answer:
Digestive enzymes of diverse specificities are found in the saliva secreted by the salivary glands, in the secretions of cells lining the stomach, in the pancreatic juice secreted by pancreatic exocrine cells, and in the secretions of cells lining the small and large intestines.
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