Stake Test 4
In reproductive cloning, the genome of the clone comes from?
A body cell
The flow of molecular info in gene expression
Central dogma
What types of bond keeps each individual DNA strand together?
Covalent bonds
In gel electrophoresis of DNA, diff. Brands in final gel form because?
DNA have different lengths
What enzyme can repair damage in eukaryotes?
DNA polymerase
What enzyme is responsible for putting primers down during DNA replication?
DNA polymerase
Why does a liver cell look different from a brain cell?
Different genes are turned on and off in each cell
What proteins are crucial for creating and maintaining DNA replication forks?
Helicase creates the replication fork; single-stranded binding proteins keep the single strands from reuniting
What type of bond keeps each complementary DNA strands together?
Hydrogen bonds
Which of the following is found in eukaryotic genes, but not prokaryotic?
Introns
Three types of RNA involved in gene expression?
MRNA, tRNA, rRNA
How do homologous chromosomes prevent disease?
One homologous can replace the other
DNA replication is semi-conservative bc a newly replicated, double stranded DNA molecule consists of
One old strand and one new strand
What is the purpose of careful primer design before PCR?
Primers dictate the specificity of the place you are amplifying and primers allow for complimentary nucleotides to be added to the new strand of DNA
Part of gene where RNA polymerase first binds during transcription?
Promoter
RNA primer
Provides a place for DNA
What enzyme is responsible for putting down primers during DNA replication?
RNA primase
What determines a protein's function?
The 3D shape of the folded protein
What parts of translocation will be disrupted by a mutation in the coding region of gene?
The codon of mRNA
Gene expression refers to what process?
The process of transcription going DNA into RNA and translating RNA into protein
What controls the timing of gene expression?
The regulatory sequence for a gene
Process of RNA using a gene as a template is
Transcription