Unformatted text preview: Given name: Number: ' p. 7 ‘ Surname: that refers to “a distinct structural unit of a polypeptide, which n has a distinct function, such as the binding of a small
(2 marks) 5. In 1981, Dr. Jane Richardson coined a term folds as an independent, compact unit and ofte
’. What is this term? (Your answer should consist of a_single word). molecule’ or classes of enzymes. In which class would fig/psi}? (the enzyme that is often used to 6. There are six maj
sequencmg) be placed? Write the name of the correct cleave polypeptides into smaller fragments, prior to
enzyme class in the box. (2 marks) Part C. Written answers. 15 marks total. 7. Leu-enkephalin, a hydrophobic pentapeptide secreted by the pituitary glafidjsan endorphin (“endoggrous
Y morphine”) or natural pain-suppressor. The sequence of leu—enkephalin is: r-igly-gly-pheflgu? Draw the complete covalent structure of leu-enkephalin. (4 marks) u * N » ~ ' r .
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- Fall '10