DNA Structure
What type of helix is DNA?
Double Helix
What is a Chromosome composed of?
DNA/Chromatin
What bases are Purines?
A and G
What enzyme breaks apart DNA strands during the S interphase that allows for DNA to be replicated?
Helicase
What is the most uncondensed form of DNA?
DNA Helix
What type of parallel is DNA?
Anti-Parallel
How many Chromosomes does the human body have in every cell?
46
What bases are pyrimidines?
T and C
What fragments are built on the 3 to 5 strand?
Okazaki
DNA is wrapped around ______.
Histones
What are the four bases of DNA?
A, T, G, C
What are two replicated Chromosomes called?
Sister Chromatids
What is the ratio between Purines and Pyrimidines?
1:1
In which direction is DNA built?
5 to 3
Once the DNA is wrapped around Histones, it forms _____.
Nucleosomes.
What type of bonds are present between the nitrogenous bases?
Hydrogen Bonds
What is the bond called that holds two chromatids together?
A centromere.
If a DNA strand is 35% Adenine how much % is it Thymine?
35%
What enzyme is responsible for DNA replication?
DNA polymerase
More condensed nucleosomes form ______.
Chromatin.
How many bonds are found between Adenine and Thymine?
Two Hydrogen Bonds
What are pairs #1-22 called?
Autosomes
A DNA strand is 50% purine, what % is pyrimidine?
50%
What cell might go into G0 after being created through cellular division?
Nerve Cells
Condensed Chromatin is called ______.
Chromosomes.