Enzymes (B5) Flashcards
(6 cards)
1
Q
Catalyst
A
A molecule that speeds up the rate of a chemical reaction but is not itself changed by the reactions (enzymes are biological catalysts that are proteins)
2
Q
amylase
A
breaks down carbs (starch); found in saliva and small intestine
3
Q
pepsin
A
breaks down protein into amino acids (found in stomach)
4
Q
active site definition
A
the site on the enzyme where the reaction occurs
5
Q
lock and key hypothesis
A
the active site specifically matches the shape of the substrate molecule. The shape of the active site is complementary to the shape of the substrate
6
Q
optimum temp of enzyme?
A
40 degrees celcius
