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Statistics for A Level Biology - Biological Molecules 2.2

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General Stats

This quiz has been taken 243 times
The average score is 10 of 19

Answer Stats

Definition	Keyword	% Correct
Reaction that occurs when two molecules are joined together with the removal of water	Condensation	89%
Reaction that occurs when a molecule is split into two smaller molecules with the addition of water	Hydrolysis	88%
A large molecule made from many smaller molecules called monomers	Polymer	87%
A small molecule which binds to many other identical molecules to form a polymer	Monomer	82%
A group of molecules containing C, H and O	Carbohydrates	63%
A weak interaction that can occur wherever molecules contain a slightly negatively charged atom bonded to a slightly positively charged hydrogen atom	Hydrogen bond	63%
A group of substances that are soluble in alcohol rather than water. They include triglycerides, phospholipids, glycolipids and cholesterol	Lipids	63%
Molecule consisting of glycerol, two fatty acids and one phosphate group	Phospholipid	62%
The overall three-dimensional shape of a protein molecule. Its shape arises due to interactions including hydrogen bonding, disulfide bridges, ionic bonds and hydrophobic interactions	Tertiary structure	62%
A bond formed when two amino acids are joined by a condensation reaction	Peptide bond	60%
The coiling or folding of an amino acid chain, which arises often as a result of hydrogen bond formation between different parts of the chain. For example, alpha helixes and beta pleated sheet	Secondary structure	60%
A bond formed between two monosaccharides by a hydrolysis reaction	Glycosidic bond	54%
The sequence of amino acids found in a molecule	Primary structure	50%
Monomers of all proteins, and all amino acids have the same basic structure	Amino acids	29%
Has molecules of a relatively spherical shape, which are soluble in water, and often have metabolic roles within the organism	Globular protein	28%
Has a relatively long, thin structure, is insoluble in water and metabolically inactive, often having a structural role within an organism	Fibrous protein	26%
A non-protein component that forms a permanent part of a functioning protein molecule	Prosthetic group	24%
Protein structure where protein consists of more than one polypeptide chain. For example, insulin	Quarternary structure	22%
A very large, organic molecule	Macromolecule	17%

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