DNA Facts
What does DNA stand for?
Deoxyribonucleic acid
Which base pairs with Adenine?
Thymine
What enzyme unzips DNA during replication?
Helicase
Where in the cell is DNA found?
In the nucleus
Which base pairs with Cytosine?
Which base pairs with Cytosine?
What enzyme adds new bases during replication?
DNA polymerase
What is the shape of DNA called?
Double helix
If one strand is A – T – C – G, what is the complementary strand?
T – A – G – C
What is the result of DNA replication?
Two identical DNA molecules
What are the building blocks of DNA?
Nucleotides
What type of bond holds the base pairs together?
Hydrogen bonds
Why is DNA replication called “semi-conservative”?
Each new DNA molecule has one old strand and one new strand
Name all three parts of a nucleotide.
Sugar, phosphate, and nitrogen base
Why is base pairing important in DNA replication?
It ensures each new strand is a perfect copy of the original.
What would happen if DNA didn’t replicate correctly?
It could cause mutations or incorrect cell function