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and contain significant amounts of the chemical element Carbon. Monosaccharides, monosacáridos Example: glucose, glucosa Disaccharides, disacáridos Eg. Sucrose ,sacarosa and maltose, maltosa Polysaccharides, polisacáridos Eg.Cellulose, celulosa, starch. almidón and glycogen, glucógeno
 * Biomolecules:** Biomoléculas. Chemical molecules made up of bioelements that forming living things.
 * Inorganic biomolecules** are water and mineral salts. They are present in living things and non-living things.
 * Organic biomolecules** are carbohydrates, lipids, proteins and nucleic acids.They are unique to living things
 * **Carbohydrates.** Carbohidratos o hidratos de carbono:

Cholesterol, colesterol Lipids can be broken into:Fatty acids, ácidos grasos and Glicerol, glicerina. Examples of lipids: phospholipids (fosfolípidos) and cholesterol(colesterol)
 * Lipids, lípidos. Phospholipids, fosfolípidos
 * **Proteins**, proteínas, units( aminoacids, aminoácidos)Proteins: E.g. Collagen, colágeno,Haemoglobin, hemoglobina, Antibodies,anticuerpos


 * **Nucleic acids**, ácidos nucleicos, Units: nucleotides, nucleótidos Examples of nucleic acids: DNA, RNA



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