So living creatures must keep [...] their structures. Since all these structures are made up of molecules, they must move molecules around all the time.
Answer
repairing and maintaining
Question
So living creatures must keep [...] their structures. Since all these structures are made up of molecules, they must move molecules around all the time.
Answer
?
Question
So living creatures must keep [...] their structures. Since all these structures are made up of molecules, they must move molecules around all the time.
Answer
repairing and maintaining
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Parent (intermediate) annotation
Open it So living creatures must keep repairing and maintaining their structures. Since all these structures are made up of molecules, they must move molecules around all the time.