Vocabulary
Define base pairing
Chargaff's rule that A pairs with T and G pairs with C
Griffith
What is the shape of DNA?
Double Helix
Which type of bonds hold together the bases and are broken by helicase?
Hydrogen bonds
What did Hershey and Chase tag DNA and proteins with?
Phosphorous and Sulfur
Define replication.
Making a new copy of DNA
This scientist discovered that the amount of Adenine almost always was fairly equal to the amount of Thymine in a sample of DNA
Chargaff
What type of macromolecule is DNA?
This enzyme adds new nucleotides as DNA is replicated
DNA polymerase
DNA carries genetic information
What is a bacteriophage
Hershey and Chase
What type of bonds hold together the backbone of DNA?
Covalent
Eukaryotic DNA replication starts in how many places on a chromosome?
100s
What are the three functions of DNA?
Store, Copy, and Transmit genetic information
Define transformation
When one bacteria strain changes another with DNA.
Rosalind Franklin
What are the 4 names of the nitrogenous bases in DNA?
Adenine
Thymine
Cytosine
Guanine
The complementary strand to the following set of bases would be:
ATGATCCTGATC
TACTAGGACTAG
What makes up the backbone of DNA?
Define semiconservative replication
DNA replication results in sets of DNA with one old strand and one new strand.
These scientists were the first to build a correct model of DNA
Watson and Crick
What are the 3 components of a DNA nucleotide?
Deoxyribose
Phosphate group
Nitrogenous Base
DNA polymerase works in opposite directions because the strands of DNA are considered _____________
Antiparallel
What does DNA stand for?
Deoxyribonucleic Acid