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Unit 3 - Chapter 1 - Biological Macromolecules
A macromolecule composed of many peptide units, joined together with peptide bonds.
An organic substance composed of carbon, hydrogen and oxygen in the ratio (CH2O)n
A carbohydrate composed of a single sugar unit eg. Glucose
A carbohydrate composed of two sugar units eg. Lactose
A carbohydrate composed of several sugar units.
A carbohydrate composed of many sugar units Eg. Cellulose, starch, glycogen
A polysaccharide formed by plants for energy storage. Eg. In potatoes, rice, pasta.
A complex polysaccharide formed by plants that is indigestible to humans.
A complex polysaccharide formed by animals for energy storage.
The way that single units of many biological molecules bond together to form macromolecules, releasing a water molecule.
Fats, oils, waxes etc composed of fatty acid units
The cell membrane composed of two layers of fatty acids with phosphate molecules.
DNA and RNA composed of nucleotide sub units. (sugar unit, phosphate unit and nitrogenous base unit)
DNA - composed of A, T, C and G - consisting of sugar/phosphate backbone and nitrogenous base pairs.
RNA - consisting of A, U, C and G - transfer, messenger and ribosomal.
A polypeptide consisting of carbon, hydrogen, oxygen and nitrogen in amino acid sub units.
Cytosine & Guanine and Adenine & Thymine (in DNA) & Uracil (in RNA).
A glycerol molecule with three fatty acid chains
Programmed cell death.
Substances that dissolve in water - "water-loving".
Substances that repel water -"water hating".
Substances made up of many sub-units, called monomers.
Single units that join together to make polymers.
Primary structure of proteins
Order of amino acid units that make up a polypeptide.
Secondary structure of proteins
Alpha-helix or beta-pleating of polypeptides.
Tertiary structure of proteins.
Folding of polypeptides due to disulphide bonds.
Quarternary structure of proteins
Groups of globular proteins consisting of more than one amino acid chain.
The complete set of proteins produced by an organism.