instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Natural convection is driven by what forces? Answer: buoyant
answer:
Natural convection is driven by buoyant forces.


question:
Question: What cellular structure is used during endocytosis to allow molecules to enter the cell? Answer: vesicles
answer:
Vesicles are used during endocytosis to allow molecules to enter the cell.


question:
Question: What term is used to describe a collection of molecules surrounded by a phospholipid bilayer that is capable of reproducing itself? Answer: cell
answer:

Cell term is used to describe a collection of molecules surrounded by a phospholipid bilayer that is capable of reproducing itself.