Naftos perdirbimas

Naftos perdirbimo produktai yra dyzelinas, benzinas ir tepalai.

Structure of proteins

The structure and arrangement of polypeptide chains affects the spatial structure of proteins.

Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalised pi bonds between carbon atoms.

DNA

Carrier of genetic information in cells.

RNA

A polynucleotid made up of phosphoric acid, ribose, and nucleobases (cytosine, uracil, adenine and guanine).

Stearic acid (octadecanoic acid) (C₁₇H₃₅COOH)

Solid, white substance, a constituent of vegetable oils and animal fats.

Cellulose (C₆H₁₀O₅)n

The building material of the cell walls and fibres of plants.

Haemoglobin

Oxygen carrier protein in our red blood cells.

Polymerisation of ethene

Polymerised ethylene is known as polyethylene, a type of plastic.

Conformations of ethane

The staggered conformation of ethane is more stable than the eclipsed conformation.

Secondary structure of proteins

Polypeptide chains are composed of amino acids and can appear in alpha-helix or beta-sheet form.

Oil molecule

Triglycerides containing unsaturated fatty acids are liquid at room temperature.

Fat molecule

Three saturated fatty acid molecules linked to a glycerol molecule.

Optical isomerism

Mirror image isomers of asymmetrical shapes and solids are non-superimposable.

Fullerene (C₆₀)

A crystalline allotrope of carbon which was discovered at the end of the 1980s.

Diamond

Crystalline allotrope of elemental carbon, the hardest known natural substance.

Added to your cart.