in a 14 weeks study with oral administration via gavage of 300 mg vanillin/kg to rats, twice weekly, no adverse effects were observed.

How would the previous sentence be correctly capitalized?
Answer: In a 14 weeks study with oral administration via gavage of 300 mg vanillin/kg to rats, twice weekly, no adverse effects were observed.
when it's deleted by zonealarm extreme security, the infected dll file would be removed too.

How would the previous sentence be correctly capitalized?
Answer: When it's deleted by ZoneAlarm Extreme Security, the infected DLL file would be removed too.
the proclamation worldwide of christ’s kingdom message was the sign jesus gave by which we might know when the end of the present world was imminent. but he said nothing about healing going out to the general public!

How would the previous sentence be correctly capitalized?
Answer: The proclamation worldwide of Christ’s KINGDOM message was the sign Jesus gave by which we might know when the end of the present world was imminent. But HE SAID NOTHING ABOUT HEALING GOING OUT TO THE GENERAL PUBLIC!
latest news / news from 2015 / news -- marvell donation accelerates debian arm package builds

How would the previous sentence be correctly capitalized?
Answer: Latest News / News from 2015 / News -- Marvell donation accelerates Debian ARM package builds