B3 Flashcards
Muscular tissue in stomach
can contract and churn food and digestive juices together
glandular tissue
produces digestive juices that break down food
epithelial tissue
covers inside and outside of organ for protection of organ
food test for starch
iodine
yellow/red—» blue black
food test for sugars
Benedicts solution
blue—-»brick red on heating
food test for protein
Biuret reagent
blue—»purpule
food test for lipids
ethanol
cloudy white layer
OR Sudan 3-red layer forms at the top
what chemical elements are carbohydrates made up from
carbon, oxygen and hydrogen
what are lipids made up from
carbon hydrogen and oxygen
3 molecules of fatty \acids joined to a molecule of glycerol
what are proteins made up from
carbon oxygen nitrogen hydrogen
long chains of amino acids
what is the enzyme that breaks down carbohydrates
carbohydrase
starch—>amylase
where is amylase produced
pancreas
salivary glands
where are carbohydrates broken down?
in the small intestine mostly
but also in the mouth
what enzyme breaks down proteins
Protease
where is protease produced
stomach
small intestine
