DNA Shape
What is the shape of DNA
Double Helix
What is the building block of DNA
Nucleotide
What are the 4 Nitrogenous bases
Adenine, Guanine, Thymine, Cytosine
Where does DNA replicate
In the Nucleus
What is the name of DNA
Deoxyribose nucleic acid
Who is credited with discovering the shape of DNA (two people)
Watson and Crick
What make up the "rungs" of a DNA molecule
The Nitrogenous base
When does DNA replicate?
Interphase / S phase
What is the name of the point where the DNA molecule splits? (where one strand splits into two)
The Replication Fork
What is the Complementary strand: ATCTGTA
TAGACAT
She used X-rays to take pictures of the DNA shape
Rosalind Franklin
What is the backbone of DNA
Phosphate groups
What Enzyme "unzips" the DNA molecule
DNA Helicase
How do the Base pairs match up?
Adenine and Thymine,
Guanine and Cytosine
What technique did Franklin use to predict the shape of DNA
X-ray crystallography
What is the type of bond that holds DNA together
Hydrogen bonds
What are the three parts of a Nucleotide
Ribose sugar, Phosphate group, Nitrogenous base
What Enzyme adds complementary nucleotides to the original DNA strand?
DNA Polymerase
What is the First step of Replication?
Unzip the two strands of DNA
True or False. DNA is a very fragile molecule?
False; DNA is a very robust molecule
What does 5' and 3' refer to?
They mark the location of carbons on the ribose sugar
What type of Sugar does DNA use
Ribose sugar
What is the end result of replication?
Two identical strands of DNA
True or false - replication only occurs in Mitosis, but not Meiosis
False
What word is used to indicate each new strand of DNA has one old strand and one new strand after Replication is complete?
Semiconservative