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DNA Structure
Replication
RNA
Misc.
100
Watson and Crick called the structure of DNA what?
Double Helix
100
The first step in DNA replication
the DNA 'unzips'
100
What is messenger RNA? (shape) 
Comb like, single stranded
100
What is a codon?
mRNA, 3 bases
200
What is the "backbone" of the DNA molecule?
Deoxyribose (sugar) and phosphate
200
What is the result of a copy of a DNA molecule?
2 strands of DNA
200
Type of RNA that carries amino acids
Transfer RNA (tRNA)
200
What does a codon code for?
An amino acid
300
The type of bond that holds nitrogen bases together
A hydrogen bond
300
What are the four bases and which pair together
Guanine to Cytosine

Adenine to Thymine

300
Where is rRNA found?
In the ribosomes
300
In RNA adenine pairs with what nitrogen base?
Uracil
400
Who is Erwin Chargaff?
He found out that there is the same number of G's and C's and the same number of A's and T's
400
What nitrogen bases is used instead of another nitrogen base?
Uracil replaces thymine
400
What mutation(s) can create the biggest change in the mRNA?
insertion or deletion
500
What makes up a nucleotide
a nitrogen base, phosphate, and a sugar
500
What is a DNA polymerase?
The enzyme that makes a copy of DNA
500
What is a start codon and 2 stop codons?
AUG- start

UAA, UAG, UGA- stop

500
What is the full name of RNA and DNA
DNA- deoxyribonucleic acid

RNA- ribonucleic acid