hypothesis can be reject or wrong because it's what somone thinks as a theory also it aslo cannot be proven correctly
and it aslo has to he tested many times
I guess that is:
Within the capillaries of the lungs, gases are exchanged by diffusion; O2 diffuses from the alveolus to the bloodstream and CO2 diffuses from the bloodstream to the alveolus.
Answer:
No, because some eukaryotic genes have introns that are not translated.