Show:
Structure
Scientists' Discoveries
Rules
Replication
Misc.
100
DNA is made of 2 strands of nucleotides twisted into this form.
What is a double helix?
100
The experiments of Griffith and Avery suggested that this is the genetic material.
What is DNA?
100
This is the nitrogen base that adenine pairs with.
What is thymine?
100
DNA replication occurs in this phase of the cell cycle.
What is the S phase?
100
DNA stands for this word.
What is deoxyribonucleic acid?
200
Each nucleotide in DNA is made of this sugar.
What is deoxyribose?
200
These scientists used the bacteriophage and radioactive labels to show that viral genes are made of DNA, not protein.
Who is Hershey and Chase?
200
This is the nitrogen base that guanine pairs with.
What is cytosine?
200
In the first step of DNA replication, the 2 strands to this.
What is separate?
200
This enzyme unzips the DNA strands before replication begins.
What is DNA helicase?
300
A DNA nucleotide is made of a P group which stands for this molecule.
What is phosphate?
300
These were the first scientists to piece together a 3 dimensional model fo the structure of DNA.
Who are Watson and Crick?
300
This is the name of the rule in which the nitrogen bases follow when pairing with each other.
What is the base-pairing rule?
300
In the 2nd step of DNA replication, this enzyme adds complementary nucleotides to each strand.
What is DNA polymerase?
300
These are the areas where the double helix separates during DNA replication.
What are replication forks?
400
DNA has these 4 nitrogen bases.
What is adenine, guanine, cytocine, and thymine.
400
This scientist discovered that the amount of adenine always equaled the amount of thymine and the amount of guanine equaled the amount of cytosine.
Who is Chargaff?
400
Since adenine pairs with thymine and cytosine pairs with guanine, they are considered this type of pairs.
What is complementary base pairs?
400
In the 3rd step of DNA replication, 2 molecules of DNA form that are indentical to this moleucle.
What is the original molecule?
400
This is a virus that is surrounded by a protective coat and infects bacteria.
What is a bacteriophage?
500
The structure of DNA is also know as a ladder ....
What is a staircase?
500
These 2 scientists used x-ray diffraction to make photographs of DNA strands.
Who are Franklin & Wilkins?
500
The sequence of this on one strand determines the sequence of another strand.
What is bases?
500
This enzyme proofreads DNA during its replicatin to reduce the number of errors.
What is DNA polymerase?
500
This is a change in genotype caused when cells take up foreign genetic material.
What is transformation?