define autotrophs. an organism that makes its own food (often by photosynthesis), thereby sustaining itself without eating other organisms or their molecules. Plants, algae, and numerous bacteria are autotrophs. define producers.
Cholecystokinin is produced by I-cells in the lining of the duodenum and is also released by some neurons in the brain. It acts on two types of receptors found throughout the gut and central nervous system. The most recognised functions of this hormone are in digestion and appetite.holecystokinin is produced by I-cells in the lining of the duodenum and is also released by some neurons in the brain. It acts on two types of receptors found throughout the gut and central nervous system. The most recognised functions of this hormone are in digestion and appetite.
Chymosin is produced by ruminant animals in the lining of the abomasum. Chymosin is produced by gastric chief cells in young ruminants and some other newborn animals to curdle the milk they ingest, allowing a longer residence in the bowels and better absorption.Chymosin is also produced by gastric chief cells in human infants.Some other non-ruminant species, including pigs, cats, and seals, produce it. Humans have a pseudogene for chymosin that does not generate a protein, found on chromosome 1.hymosin is produced by gastric chief cells in young ruminants and some other newborn animals to curdle the milk they ingest, allowing a longer residence in the bowels and better absorption. Chymosin is also produced by gastric chief cells in human infants.