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DNA
DNA replication
19
Biology
9th Grade
11/01/2010

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Term
Griffith
Definition
Scientist that grew a smooth and a rough strain of pneumonia. Found that genetic material from one strain changed to cause the pneumonia to be letal in mice.
Term
Transformation
Definition
Transfer of genetic material from one organism to another organism.
Term
Avery
Definition
Heat killed different part of the cell and found that DNA was what was being tranformed.
Term
Hershey and Chase
Definition
Used two different isotopes (Phosphorus 32 and Sulfur 35). Found that the DNA in viruses was what was injected into the bacteria.
Term
DNA
Definition
Long, thin molecules made of subunits of nucleotides.
Term
Phosphate group, nitrogenous bases and a 5 carbon sugar called deoxyribose
Definition
Name 3 parts of a nucleotides.
Term
Chargaff's rule
Definition
It states that DNA contains equal amount of adenine and thymine as well as cytosine and guanine.
Term
Rosalind Franklin
Definition
Used X-ray diffraction to take a picture of a DNA molecule that help Watson and Crick determine the shape of DNA.
Term
Hydrogen
Definition
Type of bond that forms between the nitrogen bases.
Term
Adenine and guanine
Definition
Name the nitrogen bases that are considered as purine.
Term
Thymine and cytosine
Definition
Name the nitrogen bases that are considered as pyrimidine.
Term
Cytosine
Definition
What nitrogen bases bonds with guanine?
Term
Thymine
Definition
What nitrogen base bonds with Adenine in DNA replication.
Term
Histones
Definition
Protein molecule around which DNA is tightly coiled in chromatin.
Term
Base pairing
Definition
Principle that explains Chargaff's rules that G bonds with C and A bonds with T.
Term
Replication
Definition
Time when the cell duplicates its DNA is known as:
Term
DNA polymerase
Definition
Principle enzyme that is involved in DNA replication. It joins individual nucleotides to produce a DNA molecule and proofread each new DNA strand.
Term
DNA polymerase
Definition
Principle enzyme that is involved in DNA replication. It joins individual nucleotides to produce a DNA molecule and proofread each new DNA strand.
Term
TAA - GCG - TGA - CAG
Definition
Give the complementary strand of DNA for the following strand. ATT- CGC - ACT- GAC
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