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DNA Structure
DNA Replication
Protein Synthesis
Mutations
Control Mechanisms
100
DNA has a sugar and _______ backbone
What is phosphate
100
Enzyme that unzips DNA
What is helicase
100
Site in the cell (eukaryotic) where translation occurs
What is cytoplasm
100
Has no effect on the operation of the cell
What is a silent mutation
100
Binding site of the repressor protein
What is operator
200
Direction that new DNA is built in
What is 5'-3'
200
Name of the fragments formed on the lagging strand
What is Okazaki fragments
200
Carries the DNA template from the nucleus to the cytoplasm
What is mRNA
200
Causes a single amino acid to change in a protein
What is substitution
200
Molecule that binds to the repressor protein to making it inactive
What is lactose
300
Type of bond between nitrogenous bases
What is hydrogen
300
Adds new DNA nucleotides to a replicating DNA molecule
What is DNA polymerase III
300
Enzyme that starts DNA transcription
What is RNA polymerase
300
Down Syndrome is the result of
What is one full extra or part of a chromosome
300
Molecule that is the corepressor in the tcp operon
What is tryptophan
400
Single ringed nitrogenous bases
What is pyrimidine
400
Theory of DNA replication where each new strand is built on an old strand after DNA is unzipped
What is semi-conservative
400
Non-coding regions in mRNA
What is introns
400
Segment of DNA moves to another location
What is translocation
400
Transcription in the lac operon occurs when
What is when lactose is present
500
Scientists that won a Nobel prize for discovering DNA structure
Who is Watson and Crick
500
Signals DNA polymerase III where to paste the new DNA nucleotides
What is RNA primer
500
When does termination of translation occur?
What is when a stop codon is reached
500
Adding or deleting one or two bases
What is a frameshift mutation
500
In the trp operon the regulator genes code for
What is an inactive repressor protein