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Many proteins are enzymes that catalyze (help to happen) biochemical reactions and are vital to metabolism. Other proteins have structural or mechanical functions, such as in muscle and in cells. The cytoskeleton is a system of scaffolding that keeps cell shape. Other proteins are important in cell signalling, immune responses, and cell division.
Healthy diet. A healthy diet or balanced diet is a diet (what you eat) that contains the right amounts of all the food groups. It includes fruit, vegetables, grains, dairy products, and protein. It does not include too much or too little of any kind of food. [1] Eating wrong amounts of a food group, whether it be too much or too little, is ...
Food produced by farmers or gardeners can be changed by industrial processes (the food industry). Processed food usually contains several natural ingredients and food additives (such as preservatives, antioxidants, emulsifiers, flavor enhancers). For example, bread is processed food.[3] Food processing at home is done in the kitchen, by the ...
Proteins are molecules that consist of one or more chains of amino acids. Each different protein has a set of amino acids in a particular order. The primary structure is the sequence of the amino acids of a single polypeptide chain from its start (N-terminus) to its end (C-terminus). The amino acids are held together by a specific type of ...
Healthy lifestyle. A healthy lifestyle is one which helps to keep and improve people's health and well-being and can also help overcome lots of stress. [1] Many governments and non-governmental organizations work in promoting healthy lifestyles. [2] Healthy living is a lifelong effect. Being healthy includes healthy eating, physical activities ...
Staple food. A staple food is a food item that can be stored easily and eaten throughout the year. The term means the common basis of the everyday diet in a place. Potatoes and rice are the most usual examples, but bread is not a staple food because it is a manufactured food which cannot be stored. Of course, it can always be made, since wheat ...
A wiki is a type of website that lets anyone create and change its pages. The word is sometimes used in Internet slang to mean Wikipedia. W iki is short for WikiWikiWeb. Wikiwiki is a word from the Hawaiian language, meaning "fast" or "speed". [1] [2] Examples of wikis include Wikipedia, Everipedia, Citizendium, Scholarpedia, Conservapedia ...
