DNA 1 Flashcards
What is the shape of a DNA molecule?
Double helix, two compartment Ary
What is the monomer of DNA?
nucleotides
What three things make up a nucleotide?
Nitrogenous Base, Pentose Suga, Phosphate Group
What are the four nucleotide bases?
Adenine base
Thymine base
Guanine base
Cytosine base
Which bases pair together?
(Adenine (A) and Thymine (T) & Cytosine (C) and Guanine (G)
How many hydrogens bonds pair AT together?
2 Hydrogens Bonds
How many hydrogens bonds pair GC together?
3 Hydrogens Bonds
What splits the DNA?
the enzyme called helicase.
What creates DNA??
DNA polymerases
What’s substitution?
When bases are sub in
What’s Insertion?
A mutation, when bases are inserted in the wrong place.
What’s Deletion?
A mutation, when bases are deleted.
If a DNA strand has 67.8% adenine, what percentage of the complimentary strand will be thymine?
67.8%
What’s the first step of DNA replication?
THE HELICATE UNZIPS IT
What’s the second step of DNA replication?
THE DNA POLYNERSE ADDS STRANDS
