The part of the human digestive system where most chemical digestion and absorption occurs is the: MCQ with Answer and Explanation

Explanation:
The small intestine is highly specialized for absorption, with circular folds, villi, and microvilli massively increasing its surface area. The duodenum is the first, shortest part, receiving the hepatopancreatic duct carrying bile and pancreatic juice. The ileum is the third and final part, connecting to the large intestine. Thus, statements 1 and 2 are correct.

Explanation:
Galanin is a 29-amino acid neuropeptide that is co-localized with several other neurotransmitters and hormones. In the central nervous system, it is involved in various functions, including the inhibition of acetylcholine release and modulation of pain. In the gastrointestinal tract and pancreas, its primary functions are inhibitory: it inhibits the release of both insulin and glucagon from the pancreatic islets, inhibits gastric emptying and gastric acid secretion, and generally inhibits intestinal motility and secretion. It acts to slow down digestion and nutrient absorption.

Explanation:
Dolly was cloned by transferring the nucleus from an adult somatic (mammary) cell into an enucleated egg, then implanted in a surrogate.