GCSE Chemistry: exam-style questions OCR 21st Century ... Addition polymers are made from molecules containing C=C bonds. DNA, starch and proteins are biological polymers. Bonding, structure ...

These questions are suitable for GCSE chemistry students studying any awarding body specification. The quick-fire quiz will ask 10 chemistry questions, across a random selection of topics and will ...

The researchers knew that the new polymer’s chemistry was far from the syntheses that DNA polymerases usually handle, so while developing the monomers, they also began engineering enzymes.

A more economical approach that enables the generation of greater small-molecule diversity is the preparation of DNA-encoded libraries. DEC-Tec, conceived as a small-molecule analogy to high-affinity ...