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Bio I

12-1

QuestionAnswer
What is the name of the scientist who worked with mice and pneumonia? Frederick Griffith
What process did Griffith discover with mice and pneumonia? tranformation
Name the scientist that systematically wiped out DNA, RNA, and proteins to find the transforming substance. Oswald Avery
Name the two scientists that used a virus and bacterial cell to prove DNA was the transforming substance. Alfred Hershey and Martha Chase
A virus that infects bacteria is called a bacteriophage
How did Hershey and Chase know which substance went into the bacterial cell? they used a radioactive marker
List three components of a nucleotide sugar, phosphate, and nitrogen base
What was Erwin Chargaff's rule? In DNA composition, A=T and C=G
Which scientist used x-ray diffraction to get a picture of DNA? Rosalind Franklin
What is it called when C pairs with G and A pairs with T. complementary base pairing
Name the shape of a DNA molecule. double helix
Name the four nitrogen bases in DNA. adenine, cytosine, thymine, guanine
In Griffith's experiment, did the R strain or S strain kill the mouse? the smooth (s) strain killed it
Which radioactive isotope was found with DNA, phosphorous-32 or sulfer-35? phosphorous-35, there is no sulfer in DNA
Created by: macjlc13