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Unformatted text preview: chose this experiment and describe the basic steps of the experimental protocol.
State one possible control that you would include in your experiment (4 marks). 56
: 3 Te
st CSB349H1S Term Test 1 Answer Key 5. Answer the following 4 questions related to chromatin:
r ID: 425
1 (a) What is the fundamental unit of chromatin (0.5 mark)? Downlo Dow
nlo ader ID:
4251 ade Test ID:
568 - Nucleosome (0.5 marks)
: 42 er 56 ad
Do 8 Do
wn lo ad
er ID : 42
51 (b) Describe its core protein (2 marks) and DNA (1 mark) components.
- octamer protein complex composed of 2 copies of H2A, H2B, H3, H4 histones (0.25
marks for each protein and 1 mark for stating that there are 2 copies of each)
147 nucleotides of genomic DNA wrapped around ~1.7 turns of core proteins (1 mark)
r ID: 4251 (c) List three 3 common covalent protein modifications found on members of the core proteins (0.5
Down load er ID: Acetylation (0.5 marks for each of 3 chosen from the list)
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This note was uploaded on 02/08/2013 for the course CSB 349 taught by Professor Moses during the Fall '12 term at University of Toronto- Toronto.
- Fall '12