And on Monday afternoon, Jamaican sprinter Bolt spent time reviewing the pictures and retweeting them to his more than 3.5million followers. Lightning fast: Usain Bolt strikes a familiar pose after winning the Olympic 100m gold medal. He also added tongue-in-cheek words of encouragement to his young fans on the social network, describing their efforts as epic, sweet, perfect and saying one was a natural.
Enzymes are special types of proteins. Like all proteins, enzymes are made from strings of amino acids. The function of the enzyme is determined by the sequence of amino acids, types of amino acids, and the shape of the string.
Enzymes are proteins that catalyze (i.e. accelerate) chemical reactions.[1] In enzymatic reactions, the molecule s at the beginning of the process are called substrate s, and the enzyme converts them into different molecule s, the products. Enzymes. Enzymes are catalysts.Most are proteins. biological macromolecule that acts as a catalyst. Most enzymes are proteins, but certain RNAs, called ribozyme s, also have catalytic activity. Enzymes and Metabolism. 1) Enzymes are proteins which catalyze reactions in cells.