How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
a simple compound whose molecules can join together to form polymers
a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers
an essential structural component of living cells and source of energy for animals
a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars
an oily organic compound insoluble in water but soluble in organic solvents
(biochemistry) any of various macromolecules composed of nucleotid chains that are vital constituents of all living cells
a phosphoric ester of a nucleoside
any of a large group of nitrogenous organic compounds that are essential constituents of living cells
organic compounds containing an amino group and a carboxylic acid group