1 Age in years is for student at the start of the academic year-about early September for most schools in the UAE, early April for Indian and Pakistani schools. 2  Check the exact date with the school if your child has a birthday around this time.
The repeating structural unit of most simple polymers not only reflects the monomer(s) from which the polymers are constructed, but also provides a concise means for drawing structures to represent these macromolecules. For polyethylene, arguably the simplest polymer, this is demonstrated by the following equation.
Polymers: Biological Macromolecules. There are four basic kinds of biological macromolecules. They are carbohydrates, lipids, proteins and nucleic acids. These polymers are composed of different monomers and serve different functions. Carbohydrates - composed of sugar monomers and necessary for energy storage.