Search over 10,000 free study notes

How can I write an essay about a poem I’ve never seen or even heard of before??? Sometimes poems can be daunting. But close reading a poem can also be fun, like working out a riddle or finishing a puzzle. He...

Respiration is the process of using energy stored in complex organic molecules (such as carbohydrates, fats and proteins) to make ATP . ATP ( Adenosine Tri-Phosphate ) is a molecule and is called the 'univer...

Covalent bonds are a type of chemical bond formed by a shared pair of electrons between atoms. Covalent bonds tend to occur between non-metal type atoms (metals tend to form ionic bonds which are formed by a...

Optical isomerism is a paritcular type of steroeisomerism (stereoisomers are molecule that are made up of atoms joined up in the same order so have the same formula but are arranged differently in space beca...

1) Firstly, the instructions to produce a protein are contained within part of the DNA molecule called a gene . 2) This information is copied from the DNA to form another information-carrying molecule called...