BIOS 256 EXAM 1 FULL SOLUTION STUDY
GUIDE
◉ chemical digestion.
Answer: a series of hydrolysis reactions that breaks dietary
macromolecules into their monomers
◉ polysaccharides break down into.
Answer: monosaccharides
◉ proteins break down into.
Answer: peptides and amino acids
◉ fats break down into.
Answer: monoglycerides and fatty acids
◉ nucleic acids break down into.
Answer: nucleotides
◉ organs of the alimentary canal.
Answer: mouth, pharynx, esophagus, stomach, small intestine, large
intestine
, ◉ acessory organs of the digestive system.
Answer: teeth, tongue, salivary glands, liver, gallbladder, pancreas
◉ layers of the digestive tract wall (innermost to outermost).
Answer: mucosa, submucosa, muscularis externa, serosa
◉ mucosa layer.
Answer: inner layer of digestive tract; contains goblet cells
◉ submucosa layer.
Answer: consists of connective tissue that includes blood vessels,
nerves, lymphatics, and secretory glands
◉ muscularis externa layer.
Answer: inner circular and outer longitudinal smooth muscle layers
control peristalsis
◉ serosa layer.
Answer: outermost layer, consists of connective tissue covered by a
layer of mesothelial cells
GUIDE
◉ chemical digestion.
Answer: a series of hydrolysis reactions that breaks dietary
macromolecules into their monomers
◉ polysaccharides break down into.
Answer: monosaccharides
◉ proteins break down into.
Answer: peptides and amino acids
◉ fats break down into.
Answer: monoglycerides and fatty acids
◉ nucleic acids break down into.
Answer: nucleotides
◉ organs of the alimentary canal.
Answer: mouth, pharynx, esophagus, stomach, small intestine, large
intestine
, ◉ acessory organs of the digestive system.
Answer: teeth, tongue, salivary glands, liver, gallbladder, pancreas
◉ layers of the digestive tract wall (innermost to outermost).
Answer: mucosa, submucosa, muscularis externa, serosa
◉ mucosa layer.
Answer: inner layer of digestive tract; contains goblet cells
◉ submucosa layer.
Answer: consists of connective tissue that includes blood vessels,
nerves, lymphatics, and secretory glands
◉ muscularis externa layer.
Answer: inner circular and outer longitudinal smooth muscle layers
control peristalsis
◉ serosa layer.
Answer: outermost layer, consists of connective tissue covered by a
layer of mesothelial cells
