Biological Molecules - Proteins 0.0 / 5 ? BiologyBiological moleculesASAQA Created by: KTPLCreated on: 21-11-16 15:51 What elements do all proteins contain? Carbon, hydrogen, oxygen and nitrogen (CHON) 1 of 22 What are the monomers of proteins? Amino acids 2 of 22 What is the polymer chain of a protein called? Polypeptide 3 of 22 What is a conjugated protein? Have other chemicals within their structure 4 of 22 What 3 things do all proteins contain? An amino group, a carboxyl group, a variable group 5 of 22 How many amino acids are there? 20 6 of 22 What makes each amino acid different? The variable (R) group 7 of 22 Two amino acids join together to form... A dipeptide 8 of 22 What is the bond between the amino acids? Peptide bond 9 of 22 What type of reaction bonds the amino acids? Condensation 10 of 22 What are the 4 parts of a proteins structure? Primary, Secondary, Tertiary, Quaternary 11 of 22 What is the primary structure? Sequence of amino acids 12 of 22 What is the secondary structure? Folding of polypeptide chain 13 of 22 What two structures can be formed in the secondary structure? Alpha helix OR Beta pleated sheet 14 of 22 What is the terry structure? Further folding into specific shape 15 of 22 What stabilises the tertiary structure? Ionic bonds, Hydrogen bonds, Disulphide bonds 16 of 22 What is the quaternary structure? More than one polypeptide chain 17 of 22 At which structure can the protein denature? Tertiary 18 of 22 What two molecular shapes can proteins be? Globular or Fibrous 19 of 22 What are fibrous proteins? Long parallel chains with cross-bridges between chains 20 of 22 What is the test for proteins? Biuret test 21 of 22 In chromatography, how do you calculate the Rf value? distance from origin to spot/distance from origin to solvent front 22 of 22
Comments
No comments have yet been made