Question: The longer duration of action allows dosing of twice a day
Please fix the punctuation.
Fixed: [The longer duration of action allows dosing of twice a day.]

Question: Cave jhones is a pixel retro style adventure game
Please fix the punctuation.
Fixed: [Cave jhones is a pixel retro style adventure game.]

Question: I General automorphisms structure theory and characterization which appeared in the same journal in 1989
Please fix the punctuation.
Fixed: [I. General automorphisms, structure theory and characterization which appeared in the same journal in 1989:]

Question: Fold the head forwards and a bit down
Please fix the punctuation.
Fixed:
[Fold the head forwards and a bit down.]