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Bis 101

Lecture 7 Test 2

QuestionAnswer
What 4 criteria must genetic material meet? Information, replication, transmission, variation
What did F. Griffith do? Using mice and E. Coli, he demonstrated the transformation of genetic material
Explain F. Griffiths experiment See slide 8 and 9 in Lecture 8
How many variation of Streptococcus pneumoniae are there? What are the difference? 1: Rough strains (R) that do not deposit capsules and do not kill mice. 2: Smooth strain (S) that do release capsules and do kill mice
What did Avery, MacLeod, and McCarty do? Discovered the DNA is the main genetic carrier
Explain Avery, MacLeod, and McCarty's experiment See slides 10 and 11 in lecture 8
What did Hershey and Chase do? Confirmed that DNA is the main genetic carrier using virus's on E.Coli
Explain Hershey and Chase's experiment See slides 12-15 in lecture 8
What are the three components of a nucleotide? Phosphate group, pentose sugar, nitrogenous base
Which two are the purines? Adenine and guanine (the two big ones)
Which are the two Pyrimidines? Thymine and cytosine (two small ones)
What is a phosphodiester bond? A phosphate group that links two sugars
Created by: 24rory
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