Laying down a discerning membrane
Hydrogen and helium pass relatively easily through the membrane, but carbon dioxide, oxygen ... s College of Engineering and Computing who led the research team. "The membrane behaves like a sieve. Bigger molecules cannot go through, but smaller molecules ...
What Is the Role of Glucose in Aerobic Respiration?
By definition, aerobic respiration requires oxygen. Oxygen is required because it is needed in the electron transport chain. The electron transport chain of a cell is a series of reactions that pair chemical reactions between electron donors and ...
Carbon Free Sugar?
... heights of environmentalist rectitude - they can sweeten their double espressos with certified CarbonFree® sugar. Wow, a carbohydrate without carbon! If the carbon is removed from sucrose, what's left? Water. Sugar is a naturally sweet product from ...
Synthetic XNA molecules can evolve and store genetic information, just like DNA
But even though DNA and RNA play these roles exclusively, they’re not the only molecules that can. Vitor Pinheiro from the MRC Laboratory of Molecular Biology has developed six alternative polymers called XNAs that can also store genetic information and ...
On carbon capture and sequestration
Batteries are self contained, which is why they run down.) If it seems to you like this consumes a lot of water you ... and it is not clear whether it will ever be competitive. So what is the energy tax associated with the various carbon capture schemes?