break down metabolites into smaller molecules and release energy
1 of 29
Which is an extracellular enzyme
amylase
2 of 29
carbonic anhydrase contains a ____ prosthetic group
zinc
3 of 29
amylase digests starch to maltose and only works in the presence of ______ ions
chlorine
4 of 29
Q10 = (rate at T+?) / (rate at T)
10
5 of 29
for metabolic enzyme catalysed reactions carried out between 0-40 degrees, Q10 is...
2
6 of 29
changing the pH causes ________ changes to enzymes
reversible
7 of 29
as substrate concentration is increased, rate of reaction increases.....
until maximum rate is reached
8 of 29
if substrate concentration is fixed, and enzyme concentration is increased, rate of reaction.........
plateaus
9 of 29
Non-competitive inhibition is inhibition of an enzyme where.....
the competitor molecule attaches to a part of the enzyme molecule, but not the active site. this changes the shape of the active site, so that shapes are no longer complementary
10 of 29
non-competitive inhibitors bind to an enzyme at the _______ site
allosteric
11 of 29
enzyme that catalyses breakdown of hydrogen peroxide into water and oxygen
catalase
12 of 29
in eukaryotes, catalase is stored in.............
peroxisomes
13 of 29
catalase contains ___ polypeptide chain(s) and a ______
4 - haem group
14 of 29
which is not an extracellular enzyme
catalase
15 of 29
trypsin
hydrolyses peptide bonds, breaking proteins down into smaller peptides
16 of 29
which enzyme is responsible for digesting starch into maltose
amylase
17 of 29
which enzyme does not act in the small intestine
catalase
18 of 29
which enzyme is secreted by the salivary gland
amylase
19 of 29
trypsin is secreted by the......
pancreas
20 of 29
a cofactor that is permanently covalently bonded to an enzyme is a..........
prosthetic group
21 of 29
carbonic anhydrase contains a zinc ion permanently bonded to its active site. this makes the zinc ion a........
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