instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
The goal of proteomics is to identify or compare proteins expressed from a given genome under specific conditions, study the interactions between them, and use the information to predict cell behavior or develop drug targets.
answer:
The goal of proteomics is to identify or compare what substances expressed from a given genome under specific conditions, study the interactions between them, and use the information to predict cell behavior or develop drug targets?


question:
Insulin is made up of two polypeptide chains.
answer:
Insulin is made up of how many polypeptide chains?


question:
Complete and incomplete are the two types of digestive systems invertebrates may have.
answer:
What are the two types of digestive systems invertebrates may have?