DNA stands for
Type of molecule
Type of monomer
Nucleotide consists of a
5carbon sugar, phosphate group and a base
The four bases are
Adenine, thymine, cytosine and guanine
The single ringed bases are called
The bases in a Pyrmidine are
Thymine and cytosine
The double ringed bases are called
The bases in a purine are
Adenine and guanine
Who discovered the nucleotide?
Watson and crick
The DNA is in the shape of a
Bases are held together by
The are _______ base pairs in the human genome
When does DNA replicate?
During interphase (synthesis)
Where does DNA replicate?
What is the purpose of DNA replication?
Increase the amount of DNAto split DNAequallyto the daughter cells
The enzyme called ______ untwists DNA helix and unzips 2 strands by breaking hydrogen bonds
The enzyme called ______ matches up free nucleotides in nucleus to parent strands to create 2 new strands
How many nucleotides are made per second?
DNA replication is
Semi conservative is
Each new strand is half old half new
The last step is
2 new strands retwist into a helix
The first step is
The second step is
The third step is
untwists DNA helix and unzips 2 strands by breaking hydrogen bonds between rungs
matches up free nucleotides in nucleus to parent strands to create 2 new strands