Biology · Oct / Nov 2021 · Paper 42 · Question 6
0610
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Enzymes are catalysts.
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6(a)[2]
(substance) that increases the rate of (chemical) reactions ;
not changed, during / by, the reaction ;
6(b)(i)[1]
T ;
6(b)(ii)[2]
(T) fits into / binds to, enzyme / active site ;
active site has a complementary shape (to T) / active site and T are
complementary ;
6(c)[6]
glucose ;
pepsin / trypsin / protease ;
fatty acids and glycerol ;
lactase ;
(DNA) ligase ;
cuts / breaks / digests, DNA (molecule / strand(s)) / gene / plasmid ;
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