Subject	charged particle
Predicate	move across
Object	membranes
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.6731
Neighborhood Sigma	0.8216
Local Sigma	0.8550
Example Sentences	Sentence Occurrences Source charged particles move across membranes 6 Google Autocomplete, Answers.com Questions charged particles like na and k ions move across membranes 1 Answers.com Questions