The high resolution structure of photsystem I reveals an asymmetry ... sufficient to split water into its elemental constituents. In fact it is the production of oxygen by PSII that sustains ...

When analysing and responding to a text, look at how a writer uses form, structure and language and think about the effect they have on the reader.

Certain styles of music can follow a particular structure too. Mr Smith: A simple ternary form would have a section A, a section B and then it would repeat section A again. Mwaksy: But why wouldn ...

All that said, the findings can’t confirm the terrestrial life theory beyond a doubt. There’s still a chance hydrogen-heavy ...

In fact, each gene in cellular DNA contains the code for a unique protein structure. Not only are these ... Charged amino acid side chains can form ionic bonds, and polar amino acids are capable ...