What is the SHAPE of DNA
Double Helix
Name the Nitrogen Bases
Adenine Guanine Cytosine Thymene (Uracil)
What is Transcription
Instructions for making proteins are copied from DNA onto messenger RNA
What molecule is translated?
mRNA
DNA replication is ____-________ because each "new" DNA molecule consists of one parental strand and one new strand
Semi-Conservative
what does DNA stand for?
Deoxyriboneuclaic acid
______ bonds to ______ as _____ bonds to ______
Cytosine bonds to Guanine
Thymine (Uracil) bonds to Adenine
what is Protein Synthesis
The process of making protiens from DNA
what bonds connect the Amino Acids of tRNA
Peptide Bonds
DNA helicase, what does it do, what bond breaks
"Unzips" the DNA molecule, breaks hydrogen bonds
What does the prefix "deoxy" stand for
one less oxygen
What is a Perimadine
Single Ringed Nitrogen base
Why cant DNA leave the Nucleus
it too big
where is mRNA translated
The Ribosome in the Cytosol
Chargoffs rule states that DNA from any cell should have an _____ ration of ____ and _______ bases
What is a Purine
Double ringed Nitrogen base
where does transcription happen
inside the Nucleus
What is a protein made of? how many?
Amino Acids, 20
What does the DNA polymerase do
Attatches nucleotides to new nucleotide strands
What are the pyrimidines in DNA
Thymine and Adenine
What are the pyrimidines in RNA
Uracil and Adenine
what does the m in mRNA mean
messenger
mRNA ______ connect to tRNA ___-_____
Codons, Anti-codons
where does replication take place?
the Nucleolis