Subject	enzyme
Predicate	speed up
Object	rate of reaction
Modality	Modality Occurrences TBC[rate of chemical reactions] 2 TBC[rate of biological reactions] 1
Polarity	POSITIVE
Plausibility	0.9679
Neighborhood Sigma	0.9679
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source enzymes speed up the rate of reaction 2 Google Autocomplete enzymes speed up the rate of chemical reactions 1 Google Autocomplete enzymes speed up the rate of biological reactions 1 Google Autocomplete enzymes are able to speed up the rate of chemical reactions 1 Answers.com Questions