Please capitalize where necessary: they started as members of the best brass bands and became fulltime virtuoso.
A: They started as members of the best Brass Bands and became fulltime virtuoso.

Q: if the cell accepts the new dna, a duplicate embryo is formed. however, the embryo cell may reject the new dna and die. also, it is very possible that the embryo may not survive having the original genetic material removed from its nucleus.

A: If the cell accepts the new DNA, a duplicate embryo is formed. However, the embryo cell may reject the new DNA and die. Also, it is very possible that the embryo may not survive having the original genetic material removed from its nucleus.

Q: as it moves north it switches from having a westward movement relative to the earth's surface to having an eastward movement.
A: As it moves north it switches from having a westward movement relative to the Earth's surface to having an eastward movement.

Problem: due to positive changes in comparison department of neurology, university hospital rijeka to those suffering from multiple sclerosis ( which have been ongoing for several years ) invite all ill who are treated in zagreb to contact the doctors at the university hospital rijeka.
Can you repeat this sentence, but capitalize it?
Answer: Due to positive changes in comparison Department of Neurology, University Hospital Rijeka to those suffering from multiple sclerosis ( which have been ongoing for several years ) invite all ill who are treated in Zagreb to contact the doctors at the University Hospital Rijeka.

Text: in this way, the paint has meant that we can have an even and fast flow in production.

Correct capitalization: In this way, the paint has meant that we can have an even and fast flow in production.

Problem: 2. justine hull from bermuda: dll suite helped me solve my blue screen windows 7 home premium edition 64-bit issue today. at first i thought the system windows 7 home premium edition 64-bit is crashed so i turned to dll suite. well, i can only say: problem solved, hah hah...
Can you repeat this sentence, but capitalize it?
Answer:
2. Justine Hull from Bermuda: DLL Suite helped me solve my blue screen Windows 7 Home Premium Edition 64-bit issue today. At first I thought the system Windows 7 Home Premium Edition 64-bit is crashed so I turned to DLL Suite. Well, I can only say: Problem Solved, hah hah...