Biological Molecules (A Level) Crossword Puzzle

QUESTIONS LIST: carboxyl : the acidic group of an amino acid, fibrous : a protein with regular structure, often used for structural functions, centrifuge : to spin a suspension very faster to separate components, cholesterol : a lipid important for fluidity of plasma membranes, globular : an irregularly shaped protein e.g. an enzyme, hydrogen bond : weak intermolecular force formed between polar molecules, cellulose : polysaccharide made from beta glucose monomers, hemoglobin : a protein with quaternary structure, binds to oxygen, triglyceride : macro molecule made of three fatty acids and one glycerol, reducing sugar : all mono-saccharides and some di-saccharides are this, hydrolysis : reaction splitting a molecule in two by the addition of a water molecule, saturated : a fat with no c-c double bonds, condensation : reaction joining two molecules by the removal of water, r group : the variable part of an amino acid, alpha helix : part of the secondary structure, held together by hydrogen bonds, phospholipid : molecule of the plasma membrane, composed of one hydrophilic head and two hydrophobic tails, amino acids : monomers which form proteins, ester : bond formed between a fatty acid and a glycerol, collagen : a protein made of approximately 33% glycine, four : number of bonds made by a carbon atom, polar : a molecule with slightly positive and slightly negative regions, hydrophobic : repelled by water, peptide : bond formed between two amino acids, prosthetic group : an inorganic group attached to a polypeptide chain, essential for the functioning of the protein