Question: Laser scanning confocal fluorescence microscopy was used to take images at different time points from 15 minutes to 6 hours
Please fix the punctuation.
Fixed: [Laser scanning confocal fluorescence microscopy was used to take images at different time points, from 15 minutes to 6 hours.]

Question: Purpose to prepare for European Monetary Union and introduce elements of a political union citizenship common foreign and internal affairs policy
Please fix the punctuation.
Fixed: [Purpose: to prepare for European Monetary Union and introduce elements of a political union (citizenship, common foreign and internal affairs policy).]

Question: Sister ships Gran Bretagna Grande Mediterraneo
Please fix the punctuation.
Fixed: [Sister ships Gran Bretagna, Grande Mediterraneo,]

Question: Youre travelling with a PROfully flexible ticket
Please fix the punctuation.
Fixed:
[You're travelling with a PRO/fully flexible ticket.]