An investigation into the composition of the gas found in the bladders of Ascophyllum nodosum and Fucus vesiculosus

Project title: An investigation into the composition of the gas found in the bladders of Ascophyllum nodosum and Fucus vesiculosus
Overview:

I am looking at the composition of the gas in the bladders of Ascophyllum nodosum and Fucus vesiculosus and the effect of light on it.