Add punctuation: He attended Cheltenham College where he was already finding it difficult to walk and was essentially a cripple by the time he went up to Cambridge in 1898
A: He attended Cheltenham College where he was already finding it difficult to walk and was essentially a cripple by the time he went up to Cambridge in 1898.

Add punctuation: Construction walls and facades are of insitu cast concrete reminiscent of Japanese architecture and glass facades are with individual wooden panels
A: Construction; walls and facades are of in-situ cast concrete reminiscent of Japanese architecture and glass facades are with individual wooden panels.

Add punctuation: It helps chromosomes will be separated from each other
A:
It helps chromosomes will be separated from each other.