They are a source of energy for most living things but they are also used for building blocks to modify proteins. Plants use carbohydrates in the form of cellulose to build their rigid structures.
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There are several enzymes that are necessary for the metabolism of living organisms. Some of them include bile, pancreatic fluid and carbohydrates.
Among living things, the most common among the polysaccharide structural carbohydrates is cellulose. Cellulose is the monosaccharide that composes the hard bodies of crabs and insects.
Carbohydrates: storage and transport of energy and structural components Proteins: Many proteins are enzymes that catalyze biochemical reactions, and are vital to metabolism. Protein is also necessary in animals' diets, since they cannot synthesise all the amino acids and must obtain essential amino acids from food. Lipids: Have many functions in living organisms including nutrients, energy storage, structural components of cell membranes, and important signaling molecules. The smooth endoplasmic reticulum also processes these lipids, which store energy. Nucleic Acids: Carry genetic information or form structures within cells.
Cellulose is used as a structural component in plant cell walls.
no living thing can live without carbohydrates, they are both an easy to use energy source and structural building materal
A protein is any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, esp. as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies.
They all contain gluclose Carbohydrates (from 'hydrates of carbon') or saccharides ("sugar") are the most abundant of the four major classes of biomolecules. They fill numerous roles in living things, such as the storage and transport of energy (starch, glycogen) and structural components (cellulose in plants, chitin in animals). Additionally, carbohydrates and their derivatives play major roles in the working process of the immune system, fertilization, pathogenesis, blood clotting, and development.
Lipids, Carbohydrates, protein, and nucleic acids
The four major organic molecules in living organisms are:CarbohydratesLipids (fats, cell membranes)Proteins (Muscles, enzymes)Nucleic acids (DNA, RNA)
A complex structural organization is an essential characteristic of a living organism
It acts as Catalyst, generally enzymes not have specific structure in the living cell.
Any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with proteins and carbohydrates, the chief structural components of living cells.