Demonstrate the difference between transcription-translation coupling

1.)Demonstrate the difference between transcription-translation coupli

1.)Demonstrate the difference between transcription-translation coupling and separation through application in developmental biology. I suggest the early stages of development, like post-zygote.

2.)Carbon fixation pathways among the bacteria and archaea are said to be diverse. Do living examples exist that could serve as a demonstration of biochemical progression of carbon fixation?

Answer both questions must be 1500 to 2500 words or more and cite your work.