Final Winter 2010 answer key

Final Winter 2010 answer key - Name:_ Student Number:_...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Name:____________________ Student Number:_________________ Page 1 of 14 BIOC*2580 Final Examination Winter 2010 Thursday, April 22 nd , 2010, 7:00 – 9:00 p.m. PLEASE PRINT YOUR NAME HERE SURNAME : __________________________________ given NAME : ________________________________ Student number: _______________________ Remember to enter your name and student number on the “scantron” card! (Your e-mail address is not required.) Instructors: Dr. J. F. Dawson, Dr. E. P. Wijekoon Time allotted = 2 hours (120 minutes). This is a closed-book exam: no notes or aids of any kind (other than a calculator with no stored information) may be consulted. This booklet has 12 pages, plus the metabolic chart, attached at the end. Total marks for this paper = 100. This examination determines 40% of the final course grade. Multiple-choice questions. 25 questions; 2 marks per question; 50 marks total; no marks will be deducted for incorrect answers. Use a soft pencil to mark your answers on the test-scoring card . Written answer questions. 50 marks total. (Do not write below this line) 1 5 2 6 3 WR (50) 4 (i) MC (50) (ii) TOTAL (iii)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Name:____________________ Student Number:_________________ Page 2 of 14 Multiple-choice questions. Two (2) marks each × twenty-five (25) questions = 50 marks. For each question, choose the one best answer from among the four possible answers given. Enter your answers on the Scantron card. 1. Glycerophospholipids are: a) The major form of storage lipids in humans. b) Highly hydrophobic, making them insoluble in water. c) The major constituent of bulk fats and oils. d) Amphipathic, combining both hydrophilic and hydrophobic properties. 2. Common fatty acids; a) with unsaturated double bonds are usually found in the cis geometrical isomer. b) are a readily available source of energy because they are found abundantly in cells as free fatty acids. c) are branched, allowing the simultaneous removal of carbon atoms from each of the branches. d) have an odd number of carbon atoms. 3. Shown above are the structures of two sugar molecules. Identify the INCORRECT answer; a) They are both D sugars. b) They are enantiomers of each other. c) They are epimers of each other. d) They are diastereomers of each other. 4. Disaccharides are built from two simple sugars. a) They are formed by linking any one of the hydroxyl groups of one sugar to any one of the hydroxyl groups of a second sugar. b) Because of the glycosidic linkage between the two sugars all disaccharides are non reducing sugars. c) Formation of the glycosidic bond of a disaccharide must involve the anomeric carbon of one sugar because it is the only electrophilic carbon atom in a sugar. d) The glycosidic bond between the two sugars can never involve the anomeric carbons of both sugars.
Background image of page 2
Name:____________________ Student Number:_________________ Page 3 of 14 5. The ability to reduce cupric ions (Cu +2 ) to cuprous ions (Cu + ) is the basis for the reducing sugar test; a) This property provides a simple basis for separating pyranose sugars from
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/21/2011 for the course BIOOC 2580 taught by Professor Douger during the Fall '10 term at University of Guelph.

Page1 / 14

Final Winter 2010 answer key - Name:_ Student Number:_...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online