BCH311-Fall2009-SI-SampleExam

BCH311-Fall2009-SI-SampleExam - BCH311 Fall 2009 Section...

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Unformatted text preview: BCH311 Fall 2009 Section I/Sample Exam Niall Howlett, Ph.D. Answer all questions 1. All of the following statements are true of biomolecules, except: a) They contain predominantly ionic bonds b) They contain predominantly nonmetallic elements c) Carbon is the key element d) They are polymers of many monomers e) All of these characterize biomolecules 2. All of the following bonds are important in biomolecules, except: a) C—Cl b) C—H c) C—N d) O—H e) O—P 3. The complexity and wide variety of biomolecules that exist in nature is a direct consequence of the ability of carbon to: a) form up to four ionic bonds with carbon b) form up to four hydrogen bonds with oxygen c) form up to four covalent bonds with carbon d) form up to three covalent bonds with carbon e) form up to two double bonds with carbon 4. The following two functional groups represent: a) Amine and aldehyde b) Amine and ester c) Amine and ether d) Amide and ether e) Amide and ester 5. The six most abundant chemical elements found in biomolecules are: a) C, H, O, N, S, and P b) C, H, O, N, Na, and P c) C, H, O, K, S, and P d) C, H, Na, N, S, and P e) C, K, O, N, S, and P 6. The atomic number of carbon is 6. Which of the following is the correct atomic orbital configuration of carbon: a) 1s 2 , 2s 2 , 2p x 2 , 2p y 1 , 2p z b) 1s 2 , 2s 2 , 2p x 1 , 2p y , 2p z c) 1s 2 , 2s 2 , 2p x 1 , 2p y 1 , 2p z 1 d) 1s 2 , 2s 2 , 2p x 2 , 2p y , 2p z e) 1s 2 , 2s 2 , 2p x 1 , 2p y 1 , 2p z 7.7....
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This note was uploaded on 12/05/2009 for the course BCH 311 taught by Professor Howlett during the Fall '08 term at Rhode Island.

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BCH311-Fall2009-SI-SampleExam - BCH311 Fall 2009 Section...

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