Add articles to your saved list and come back to them any time. Four molecules of the amino acid alanine combine together to form a peptide, in which the four alanine molecules are linked in a chain.

Add articles to your saved list and come back to them any time. The most direct solution to a question of this nature is to check each of the four possibilities quickly before committing yourself. The ...

The Galvanic Cells is a device that transforms chemical energy into electric energy. It is the common application of electro chemistry which is also called battery. It was invented by Luigi Galvani ...

Today, most energy is produced at large centralised power stations based on fossil fuels such as coal, oil and natural gas. And then there is the energy produced by hydroelectric power stations, ...

The electric battery has increased the penetration of motorisation and wirelessness in our lives. Electric batteries hold and release electrical energy that they have acquired by converting other ...

Think of an electrolytic cell as a reverse battery (a battery is also called a galvanic cell). Instead of using a chemical reaction to store and release electricity, it uses electricity to create a ...