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BIO

Enzymes

QuestionAnswer
exergonic energy or reactants is higher than energy of products, releases energy
endergonic energy of products is higher than energy or reactants, absorbs energy
activation energy energy needed for a chemical reaction to occur
enzyme speeds up chemical reaction by lowering activation energy
substrate specific molecule enzyme acts on
active site area on surface of enzyme where substrate will bind
mechanical digestion physical breaking down of food into smaller pieces (chewing, mixing)
chemical digestion chemical break down of food, hydrolysis/enzymes
alimentary canal organs that food passes through during digestion
accessory organs organs that play a role in digestion but food does not pass through them - pancreas, gall bladder, liver
peristalsis wave-like muscular contractions that push food through digestive system
digestive enzymes proteins necessary for chemical break down of food
enzyme concentration amount of enzymes present, more = faster reaction
substrate concentration amount of substrates present, enzymes will be saturated with substrates
amylase enzyme that breaks down carbs, made in pancreas, found in mouth
lipase enyzme made in pancreas, breaks down lipids
pepsin enzyme found and produced in stomach, breaks down protein
chemical digestion all chemical digestion of macromolecules happens in small intestine
mechanical digestion physically breaking food into smaller pieces, like chewing, stomach churning
small intestine where nutrient absorption occurs, villi help increase surface area, all chemical digestion
digestion chemical and mechanical break down of food
epiglottis structure that keeps food and liquid from going into lungs
Created by: JSheahan1
 

 



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