Please capitalize where necessary: last update: january 2, 2007 at 21:40:13 utc - edit
A: Last update: January 2, 2007 at 21:40:13 UTC - edit

Please capitalize where necessary: a follow-up experiment could be conducted to investigate factors influencing enzyme activity (such as temperature, ph and the concentrations of enzyme, substrate and product).
A: A follow-up experiment could be conducted to investigate factors influencing enzyme activity (such as temperature, pH and the concentrations of enzyme, substrate and product).

Please capitalize where necessary: mobile fotografer, on the other hand, can appreciate on a phone with an advanced camera and plenty of storage.
A: Mobile Fotografer, on the other hand, can appreciate on a phone with an advanced camera and plenty of storage.

Please capitalize where necessary: some of the website will require you to email the information, while others simply have a form to fill out and wait for approval.
A:
Some of the website will require you to email the information, while others simply have a form to fill out and wait for approval.