It is well documented that many people, their goals in life, because the phenomenon reach known as not "fear of failure," but you know that an important factor often overlooked is a condition known as the "fear success?

1) Australopithecus were the earliest people to walk upright. The famous three million years old Australopithecus skeleton “Lucy” was found in Ethiopia, Africa.

2) Modern humans were the first artist. They emerged in Africa and spread to all the continents around 11,000 years ago.

Read more: http://scienceray.com/biology/we-can-know-about-this-1/#ixzz12hOOWdBR

Enzymes are protein molecules produced by living cells, that acts as biological or organic catalysts, which speeds up a reaction without changing the substances produced, and without it being permanently changed.

Each enzyme is very specific in its action and can only catalyze a particular reaction or one group of reactions

The reactants in an enzymatic reaction are called substrates for that enzyme. In the above reaction, A and B are the substrates for enzyme E and C is the product formed from the reaction.