BI435 Exam Questions: Molecular Biology, Cell Biology & Molecular Genetics, NUI Galway, Exams of Cellular and Molecular Biology

Download BI435 Exam Questions: Molecular Biology, Cell Biology & Molecular Genetics, NUI Galway and more Exams Cellular and Molecular Biology in PDF only on Docsity! Ollscoil na hÉireann, Gaillimh GX_____ National University of Ireland, Galway Semester II Examinations, 2008/2009 Exam Code(s) 4BS2 Exam(s) BI401 Biochemistry Module Code(s) BI435 Module(s) Molecular biology, cell biology and molecular genetics Paper No. 2 Repeat Paper Special Paper External Examiner(s) Prof. M. J. R. Stark Internal Examiner(s) Dr. L. Byrnes, Dr. H.P. Nasheuer, Dr. C. Morrison, Prof. N. Lowndes, Dr. M. P. Carty. Prof. B. Lahue, Prof. A. Samali Instructions: Write on three of the following topics, choosing at least one from each section. Please start each answer with a new answer book and clearly indicate the number on the front. Duration 3 hrs No. of Answer books 2 Requirements: Handout MCQ Statistical Tables Graph Paper Log Graph Paper Other Material No. of Pages 3 Department(s) Biochemistry Page 1 of 3 NATIONAL UNIVERSITY OF IRELAND, GALWAY Ollscoil na hÉireann, Gaillimh 2008-09 B.Sc. Honours Degree Examination BIOCHEMISTRY BI435 Molecular biology, cell biology and molecular genetics Second Paper External Examiner: Prof. M. J. R. Stark Time allowed: Three Hours Write on three of the following topics, choosing at least one from each section. Please start each answer with a new answer book and clearly indicate the number on the front. Section A 1. Discuss what is meant by ‘epigenetics’ ? 2. ‘Lagging strand DNA synthesis is unable to copy the extreme ends of linear eukaryotic chromosomes’. Discuss this statement and the implications of this 'replication problem' for the development of cancer in humans. 3. Describe how deficiencies in the nonhomologous end-joining pathway of DNA double-strand break repair contribute to human disease. Page 2 of 3