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BIOL 215 CWRU COMPREHENSIVE STUDY GUIDE 2026 FULLY SOLVED QUESTION SET

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BIOL 215 CWRU COMPREHENSIVE STUDY GUIDE 2026 FULLY SOLVED QUESTION SET

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BIOL 215
Course
BIOL 215

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BIOL 215 CWRU COMPREHENSIVE STUDY
GUIDE 2026 FULLY SOLVED QUESTION SET



◉Griffith's Experiment (1928). Answer: reinforced that there is a
transforming principle. Experiments with virulent and avirulent
forms of pneumonia bacteria


◉Avery, MacLeod and McCarty's Experiment (1944). Answer: DNA
is the transforming principle. Biochemical experiments using R and
S cell extracts.


◉Astbury's Experiment (1947). Answer: DNA has a regular
structure


◉Chargaff's Experiment (1949). Answer: predictable proportions of
nucleotides... Chargaff's Rules


◉Hershey and Chase's Experiment (1952). Answer: DNA (not
protein!) directed the production of viral particles


◉Franklin's Experiment (1953). Answer: additional physical
characteristics of DNA molecule

, ◉Watson and Crick's Experiment (1953). Answer: put it all together
- Double helix!


◉Nucleotides. Answer: phosphate group, ribose sugar, nitrogenous
base


◉How are nucleotides joined?. Answer: They are joined by
phosphodiester linkages


◉polarity of DNA. Answer: 5' end (phosphate); 3' end (-OH)


◉DNA is double stranded. Answer: strands are held together by
hydrogen bonds


◉DNA is helical. Answer: strands run anti-parallel


◉DNA Replication - Conservative. Answer:


◉DNA Replication - Semi-Conservative. Answer:


◉DNA Replication - Dispersive. Answer:
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