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39 Cards in this Set
- Front
- Back
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A particular triplet of bases in teh coding sequence of DNA is AAA. The anticodon on the tRNA that binds the mRNA codon could be:
A.) TTT B.) UUA C.) UUU D.) AAA E.) either UAA or UUU depending on wobble in the first base |
D.) AAA
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If a transposale element ecodes reverse transcriptase:
A.) it probably also contains microsatilies B.) it is probably replicative (copy adn paste) C.) it iwill also include a gene for telomerase D.) it may outnumber genes encoding tRNA's in the human genome E.) it is more likely to be a SINE or a LINE element |
B.) it is probably replicative (copy and paste)
D.) it may outnumber genes encoding tRNA's in the human |
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Which of the following are involved in transcription?
A.) initiation factors B.) a terminator C.) telomerase D.) TFIID E.) helicase |
B.) a terminator
D.) TFIID E.) helicase |
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multiple protein products are often produced from single genes
TRUE or FALSE |
TRUE
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all organisms have a common ancestor
TRUE or FALSE |
TRUE
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DNA was the first genetic material
TRUE or FALSE |
FALSE
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most organisms wil use the same stop codon
TRUE or FALSE |
TRUE
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most organisms will have the same AT to GC ratios
TRUE or FALSE |
FALSE
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The following statement "A gene consists of DNA sequences that are transcribed into a single RNA molecule that encodes a single polypeptide" is inadequate because:
A.) RNA can be the functional product of a gene B.) of alternative splicing C.) of supercoiling D.) of operons E.) promoters are transcribed |
A.) RNA can be the functional product of a gene
B.) of alternative splicing D.) of operons |
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The humab vasopressin receptor gene:
A.) has an insert in the promoter that varies in size between people B.) has consensus sequences in the core promoter that recognize transcription factors from multiple tissues C.) has a TATA box on teh regulatory promoter D.) requires oxytocin to work E.) is expressed at different times and places, dependent on the sex of the person |
A.) has an insert in the promoter that varies in size in between people
B.) has consensus sequences in the core promoter E.) is expressed at different timea and places, dependant on the sex of the person |
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In an analysis of the nucleotide composition of DNA, which of the following are true:
A.) A = C B.) A = G and C = T C.) A + C = G + T D.) A + T = G + C E.) A + U = G + C |
C.) A + C = G + T
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energy for covalent bond formation between nucleotides comes from the removal of two phosphates from each added nucleotide
TRUE or FALSE |
TRUE
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the x chromosome likely contains genes for reverse transcriptase
TRUE or FALSE |
TRUE
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microsatelites comprise 50% of eukaryotic genomes
TRUE or FALSE |
FALSE
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introns are removed from teh DNA before transcription begins
TRUE or FALSE |
FALSE
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ther are three hydrogen bonds between AU pairs
TRUE or FALSE |
FALSE
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primase:
A.) is found on the leading and lagging strands B.) adds nucleotides to the 3' end of RNA C.) is necessary because DNA polymerase cannot extend a single DNA strand D.) binds to the regulatory promoter E.) is activated by single strand binding proteins |
A) is found on the leading and lagging strands
B.) adds nucleotides to teh 3' end of RNA C.) is activated by single strand binding proteins |
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centromeres do not encode specific gene products
TRUE or FALSE |
TRUE
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telomeres repeat sequences are interspersed within prokaryotic genomes
TRUE or FALSE |
FALSE
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mice suffer more mutations from transposable elements than we do
TRUE or FALSE |
TRUE
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initiation of transcription does not require a primer
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TRUE
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DNA is negatively charged
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TRUE
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ribonucleotides are part of a nucleosome
TRUE or FALSE |
FALSE
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the spliceosome is assembled in teh cytoplasm
TRUE or FALSE |
FALSE
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enhancers effect transcription at distance promoters
TRUE or FALSE |
TRUE
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reverse transcriptase contradicts the central dogma
TRUE or FALSE |
TRUE
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histones are found only in eukaryotes
TRUE or FALSE |
TRUE
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Which of the following wuestion about transcription were answered by the discovery of the two consensus sequences (-35 and the TAT box also called -10) in bacterial promoters?
A.) does RNA polymerase act alone to initiate transcription, or are other proteins involved? B.) hwo do sigma proteins bind to RNA polymerase? C.) how does RNA polymerase know when to terminate transcription? D.) how does RNA polymerase know which strand of DNA acts as a template? E.) where does RNA polymerase bind to the RNA |
D.) how does RNA polymerase know which strand of DNA acts as a template?
E.) where does RNA polymerase bind to the RNA |
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COMPOSITE TRANSPOSONS:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
D.) antibiotic resistance
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MONAMINE OXIDASE A:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
C.) dopamine
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HERTEROCHROMATIN:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
E.) condensed DNA
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TRANSPOSASE:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
H.) staggared cuts
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THETA:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
I.) bacterial DNA replication
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TELOMERASE:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
A.) reverse transcriptase like
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ALTERNATIVE SPLICING:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
B.) DSCAM
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HERITABILITY:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
F.) population average
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tRNA GENEs:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
J.) RNA polymerase III
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RIBONUCLEASE:
A.) reverse transcriptase like B.) DSCAM C.) dopamine D.) antibiotic resistance E.) condensed DNA F.) population average G.) 3' cleavage H.) staggered cuts I.) bacterial DNA replication J.) RNa polymerase III |
G.) 3' cleavage
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