3162
The Mr 64 , 000 enzyme could be extracted from viable cells ( presumably from the cell membrane ) by 2 % 1 - butanol .
 Anatomy: cells; Anatomy: cell membrane
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: cells; Anatomy: cell membrane