These six elements make four types of biomolecules: (1) lipids—hydrophobic organic molecules which do not easily dissolve in water; (2) carbohydrates or sugars, such as glucose (raisins contain lots o...These six elements make four types of biomolecules: (1) lipids—hydrophobic organic molecules which do not easily dissolve in water; (2) carbohydrates or sugars, such as glucose (raisins contain lots of glucose) and fructose (honey); by definition, carbohydrates have multiple −OH group, there are also polymeric carbohydrates (polysaccharides) like cellulose and starch; (3) amino acids (components of proteins) which always contain N, C, O and H; and (4) nucleotides combined from carbon cycle …
Life obtains energy in a few different ways: (1) from sunlight (phototrophy); (2) from chemical reactions with inorganic matter (lithotrophy); (3) from breaking organic molecules into inorganic molecu...Life obtains energy in a few different ways: (1) from sunlight (phototrophy); (2) from chemical reactions with inorganic matter (lithotrophy); (3) from breaking organic molecules into inorganic molecules, typically carbon dioxide and water (organotrophy). To make its body, living beings obtain building blocks either by (a) from the assimilation of carbon dioxide (autotrophy), or from other living beings (heterotrophy).
