Please capitalize where necessary: always a friendly and welcoming climate!
A: Always a friendly and welcoming climate!

Please capitalize where necessary: bollum: barbara you really need to get out there and meet some new people.
A: Bollum: Barbara you really need to get out there and meet some new people.

Please capitalize where necessary: 4:3 then he said, go, borrow thee vessels abroad of all thy neighbors, even empty vessels; borrow not a few.
A: 4:3 Then he said, Go, borrow thee vessels abroad of all thy neighbors, even empty vessels; borrow not a few.

Please capitalize where necessary: this approach has been very important for the research unit to produce dna from single cells in such quantity that the structure and function can be better studied.
A:
This approach has been very important for the research unit to produce DNA from single cells in such quantity that the structure and function can be better studied.