Do you go to Westmont College and are taking human anatomy class? If so, then I have prepared a genetics quiz that is designed to help you review what we covered this semester. Do give it a try and see just how much you know about it as you prepare for the final exam. All the best and keep on revising!
All the bacteria, regardless of whether that had the plasmid or not.
Only the bacteria that contained the plasmid.
Only the bacteria that lacked the plasmid.
Yes, because their use of RNase would tell them whether RNA was critical.
No, because the phage RNA would incorporate both [32P] and [35S].
No, because the phage RNA would NOT incorporate either [32P] or [35S].
Yes, because, like DNA, the phage RNA would incorportate [32P] and not [35S]
A. Levene’s data implied the nucleotides were randomly assembled in cells but Chargaff proved they were in a specific order.
B. Chargaff proved that each species had different values for each base (although within species A=T & G=C), suggesting that DNA was different between them.
C. Levene’s data showed there wasn’t enough DNA in cells to encode all the necessary information but Chargaff disproved this.
D. Levene found that RNA & DNA used the exact same nucleotides while Chargaff proved that they didn’t.
Some of the S strain bacteria came back to live after acquiring some fragments of the R strain.
One R strain bacterium must have spontaneously mutated to become virulent.
Some of the R strain bacteria took in a fragment of the S strain DNA that encoded for synthesis of the polysaccharide coat.
Some of the R strain bacteria took in a fragment of the S strain DNA that encoded for ampicillin resistance.
The R strain surrounded itself with some of the polysaccharide coating from the dead S strain.
Reliable storage of all necessary information for life
Ability to be replicated
Unchanging over time
Controlled expression of information
All are required properties of genetic material
Schwann and Schleiden
Watson and Crick
Meischer
Griffith
Mendel
5’-TCAGTTTATCCG-3’
B. 3’-CGGAUAAACUGA-5’
C. 3’-TCAGTTTATCCG-5’
D. 5’-CGGATAAACTGA-3’
E. 5’-CGGAUAAACUGA-3’
F. 3’-CGGATAAACTGA-5’
3'
2'
4'
5'
1'
One, thick intermediate band
Equal quantities of an intermediate band and a heavy band
Large, thick “light” band and a thinner “heavy” band
Thinner “light” band and a large, thick “heavy” band
Light, intermediate, and heavy bands
5' end of the primer.
3' end of the primer.
5’ end of the new DNA strand after the primer is removed
3’ end of the new DNA strand after the primer is removed
There is significantly more DNA pol I in each cell.
E. coli don't have DNA pol III.
DNA pol III does not work in a cell-free, in vitro DNA synthesis system.
He did find DNA pol III but called it the Kornberg enzyme.
The 5' to 3' polarity restriction in polymerization.
Random priming
Polymerase slippage
Discontinuous helicase activity.
None of the above
In situ hybridization
Southern blotting
Transformation
FISH
Restriction mapping
There is no reason. It is pure chance but has been conserved over time.
A's and T's are more easily recognized by the proteins of the replisome
They make up the restriction site recognized by the restriction endonuclease
They are easier to pry apart (i.e. require less energy).
DNA is always heavier because of the de-oxyribose in the nucleotides
RNA absorbs more UV light because it is single-stranded
Uracil absorbs more UV light because it contains more nitrogen.
RNA is less-stable so degrades more easily.
It forms left-handed helix.
It uses only purines
In RNA, the amount of G's may not equal the amount of C's
It is not negatively charged
None of the above
The radioactive amino acids
The non-radioactive amino acids
The E. coli lysate
The ATP regeneration system
The Rat Liver Extract
A gene's stop codon
A region beyond the end of the RNA-coding region
A region called the TATA box
A region called the promoter
They are the same size.
They contain the same genes.
They will show the same banding pattern when stained
Their centromere is in the same location.
All of the above.
G-banding pattern of chromosomes
Gene activity (how often a gene is "on" and "off")
MRNA processing
Rate of DNA replication
Number of nucleotides in a genome
Polymerizes DNA from a DNA template
Polymerizes DNA from an RNA template
Polymerizes RNA from an RNA template
Polymerizes RNA from a DNA template
Requires no template to polymerize nucleic acid
54,200 bp
275,000 bp
1.39 million bp
4.01 billion bp
2.39 trillion bp
Have more histones in their chromain
May have slightly more or less than 10.4 base-pairs per helical turn
Is only found in mitotic chromosomes
Is never found naturally in cells.
Forms a left-handed helix
To prime the mRNA
To unwind the DNA helix during replication
To facilitate elongation
To bind strongly to the promoter
To mediate termination
They occur only in gametes
More than one chromosome is affected.
They change a nucleotide's base-pairing, causing it to base-pair with a different nucleotide
They not only affect one codon but all codons downstream.
The number of resistant cells in different samplings from the same flask.
The number of resistant cells from different independent cultures.
The ratio of phages to bacteria (or multiplicity of infection) in the experiment.
The probability of a bacterium coming in contact with a phage.
The mutation rate in different bacteria.
They contain a lot of methylated bytosines
They are more susceptible to deamination.
They do not contain genes and therefore have no selective pressure to remain free of mutation.
They are common locations of DNA polymerase slippage.
None of the above; they are not considered mutation hotspots..
Their mother ate too much tyrosine while she was pregnant.
Their mother ate too little tyrosine while she was pregnant.
They inherited some defect in a metabolic pathway from their parents.
They were exposed to a mutation-causing toxin.
He never knew why.
Base analog
Intercalating agent.
Base-modifying agent.
Methylating agent.
None of the above; it is not a mutagen at all.
Minimal
Minimal + all vitamins
Complete
Minimal + pyridoxine
Changed the anticodon sequence for an amino-acid carrying tRNA.
Changed the ribosome binding capacity.
Altered a terminating tRNA so that it carries an amino acid.
Changed the termination factor.
FMet-Pro-Arg-Leu
Met-Pro-Arg-Leu
FMet-Leu-Cys-Gln-Gly-Cys-Lys
Leu-Cys-Gln-Gly-Cys-Lys
The covalent bonding between the bases
Complementary base pairing
The deoxyribose sugar
The ability of DNA to replicate at all
The phosphate group
Transposons
Photoreactivation
Base excision repair
Nucleotide excision repair
Mismatch repair
Ds had a reverse mutation in its transposase to regain functionality.
The maize was exposed to a chemical mutagen.
It must have lacked Ds as well.
She was wrong; it must have still had Ac. No other explanation is plausible.
LacZ gene; decreases
LacZ gene; increases
Operator; decreases
Operator; increases
Promoter; decreases
Promoter; increases
Transposase
Retrotransposase
Reverse transcriptase
Reverse transposase
Reverse polymerase
It is methylated.
It is unmethylated.
Its sugar-phosphate backbone is not distorted.
There are extra nucleotides in it.
There are missing nucleotides in it.
The binding of trp to the trp repressor causes it to decrease its affinity for DNA.
The binding of trp to the trp repressor causes it to increase its affinity for DNA.
The presence of trp induces the expression of the gene encoding the trp repressor
The presence of trp turns off the expression of the gene encoding the trp repressor.
Transposons.
Operator genes.
Constitutive genes.
Operons.
Repressor genes.
Non-inducible genes.
Have an extra gene, usually from a different species.
Have had their genomes annotated.
Have been born in a laboratory through in vitro fertilization.
Lack a gene.
Have had their genomes sequenced.
Telophase I
Telophase II
Anaphase I
Anaphase II
Prophase I
EST
STS
SNP
ORF
Contig
12
56
28
112
6
Transposon
Fruit fly
Phage or virus
Human
Type of prokaryote
Retrovirus
Phage
Transposon
Parasitic bacterium
Retrotransposons
A parasitic bacteria
High salinity
Fungus
An herbicide
Insects
F1
F2
Parental
Test
Amniotic fluid
The chorion
A defective chromosome
A defective gene
One cell
Adult screening
Pre-implantation genetic diagnosis
Fetal/embryonic screening
Neonatal screening
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