DNA History
Authored by Lisa Thompson
Science
9th Grade
NGSS covered
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which scientists built a 3-D model of the DNA double helix?
Hershey and Chase
Watson and Crick
Chargaff and Franklin
Griffith and Avery
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Who used x ray diffraction to see DNA?
Watson
Chargaff
Franklin
Crick
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Watson and Crick were the first to suggest that DNA is _____
a short molecule
the shape of a double helix
a protein molecule
the genetic material
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What did Erwin Chargaff conclude from his experiments?
Nitrogen bases are held together by peptide bonds
A and T, C and G always occur in equal amounts
Proteins are the carriers of genetic information
C and G rarely occur in eukaryotic organisms
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does CODIS stand for?
Crazy Old Dogs Intimidate Snakes
Convicted Offender DNA Index System
Combined DNA Index System
Cameron Occasionally Dreams Instead of Studying
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Who developed the double-helix model of DNA?
Watson & Crick
Avery
Hershey & Chase
Franklin
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Who discovered that genes were composed of DNA?
Oswald Avery
Frederick Griffith
Hershey & Chase
Erwin Chargaff
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