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Why is DNA called a double helix?
DNA is double stranded and twists
What are the three molecules that make up DNA?
Phosphate, Nitrogen Base, Deoxyribose (sugar)
Which of the three molecules do the base pairing rule?
Nitrogen bases
In DNA Replication what are the 4 Bases?
A, G, T, C
What Pairs with A in mRNA?
U
What always pairs with C?
G
What always Pairs with G?
C
What always pairs with T?
A
In DNA what pairs with A?
T
What type of bonds holds DNA together?
Weak Hydrogen bonds
What does DNA Helicase do?
Unzips the DNA
What does DNA Polymerase do?
Adds free commentary nucleotide bases
Where in the cell does DNA live?
In the Nucleus
Why is the cell cycle so important?
It is how cells prepare and create copies.
In what step of the cell cycle do cell replicate their DNA?
M phase
DNA is called the _______ for all living things.
blueprint or recipe.
