Which of the following mobile genetic elements is not a retrotransposon? the Alu pseudogene (repeated over 1,000,000 times in the human genome) the LINE-1 element (repeated up to 50,000 times in the human genome) the typical transposon found in a bacterial chromosome all of the above none of the above

Which of the following mobile genetic elements is not a retrotransposon? the Alu pseudogene (repeated over 1,000,000 times in the human genome) the LINE-1 element (repeated up to 50,000 times in the human genome) the typical transposon found in a bacterial chromosome all of the above none of the above

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter17: Biotechnology And Genomics

Section: Chapter Questions

Problem 1VCQ: Figure 17.7 You are working in a molecular biology lab and, unbeknownst to you, your lab partner...

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Which of the following genetic mechanism isn't used by bacteria in the transference of genetic resistance to antibiotics? Which of the following genetic mechanisms is not used by bacteria in the transfer of antibiotic resistance? Select one: O transduction O conjugation O through transposons O transformation O crossing over between homologous chromosomes Which of the following is not consider one of the main factors in the emergence of antibiotic resistance? O a. an increase in immuocompromised patients f O b. increase O c. failures on the staff O d. an increase in antibiotic resistance pathogens
Figure 17.7 You are working in a molecular biology lab and, unbeknownst to you, your lab partner left the foreign genomic DNA that you are planning to clone on the lab bench overnight instead of storing it in the freezer. As a result, it was degraded by nucleases, but still used in the experiment. The plasmid, on the other hand, is fine. What results would you expect from your molecular cloning experiment? There will be no colonies on the bacterial plate. There will be blue colonies only. There will be blue and white colonies. The will be white colonies only.
The image below shows two variations of the same region on a chromosome. The top variant has an Alu element inserted into the middle of the region where as the bottom variant has no insert. Arrows above the chromosome indicate the binding position of the the forward (F) and reverse (R) primers. The numbers below each chromosome indicate distances, in base pairs (bp), of the relevant features. F Alu 100 100 300 ----- 100 100 Where would you expect to see a band or bands if you used PCR to amplified this region - using the primers indicated above and DNA from an individual that was heterozygous - and loaded that PCR sample into the gel below? DNA Ladder Sample 1000 bp 900 bp 800 bp 700 bp 600 bp 500 bp 400 bp 300 bp
The presence (+) or absence (−) of six sequences in each of five bacterial artificial chromosome (BAC) clones (A–E) is indicated in the following table. Using these markers, put the BAC clones in their correct order and indicate the locations of the numbered sequences within them. Sequences BAC clone 1 2 3 4 5 6 A + − − − + − B − − − + − + C − + + − − − D − − + − + − E + − − + − −
While inspecting the genome sequence of your newly discoyered organism, you note that while the genome overall is 50% G + C, there is a cluster of genes comprising about 20,000 bp that is 64% G+ C. The best explanation for this is Multiple Choice the 20,000 bp segment is a recent acquisition via horizontal gene transfer the 20,000 bp segment likely contains a cluster of housekeeping genes this represents normal variation within a chromosome the 20,000 bp segment is an adaptation to a more thermophilic environment
The two forms of Non-retroviral mobile DNA elements which are observable in huge numbers in the genomes of mammalian (incl. human) genomes are known as: Question 19 options: LINE & SINE/Alu sequences LINE sequences & IS elements transposons & LINE sequences transposons & retrotransposons SINE & Alu sequences
The two forms of Non-retroviral mobile DNA elements which are observable in huge numbers in the genomes of mammalian (incl. human) genomes are known as: Question 40 options: LINE & SINE/Alu sequences LINE sequences & IS elements SINE & Alu sequences transposons & retrotransposons jumping genes & deletors
In order to avoid loss of DNA from the ends of linear chromosomes, telomerase directly adds extra copies of telomere repeats onto: O the 5' end of the leading strand O the 3' end of the lagging strand O both 5' and 3' end of the leading strand O the 3' end of the leading strand
I'd examine chromosomal dna what characteristic would cause you to believe sequence contard transposable element
Wild-type E. coli takes up and concentrates a certain redfood dye, making the colonies blood red. Transposonmutagenesis was used, and the cells were plated on fooddye. Most colonies were red, but some colonies did nottake up dye and appeared white. In one white colony, theDNA surrounding the transposon insert was sequenced,with the use of a DNA replication primer identical withpart of the end of the transposon sequence, and the sequence adjacent to the transposon was found to correspond to a gene of unknown function called atoE, spanning positions 2.322 through 2.324 Mb on the map(numbered from an arbitrary position zero). Propose afunction for atoE. What biological process could be investigated in this way, and what other types of white colonies might be expected?
Nonallelic homologous recombination between repeats in the same orientation would not produce: Inversion Deletion Duplication O Recombination
Which of the following is/are true of DNA general recombination? The process involves invasion of a single-stranded DNA with a free 3'-end into a DNA duplex with the same sequence (on one strand) The process involves formation and resolution of a Holliday structure. The process involves use of a restriction endonuclease. The process involves synthesis of DNA by DNA polymerase.