EBK CONCEPTS OF GENETICS
12th Edition
ISBN: 9780134818979
Author: Killian
Publisher: YUZU
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Chapter 12, Problem 3PDQ
Contrast the size of the single chromosome in bacteriophage λ and T2 with that of E. coli. How does this relate to the relative size and complexity of phages and bacteria?
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Chapter 12 Solutions
EBK CONCEPTS OF GENETICS
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Ch. 12 - What genetic process is occurring in a puff of a...Ch. 12 - During what genetic process are lampbrush...Ch. 12 - Why might we predict that the organization of...Ch. 12 - Describe the sequence of research findings that...Ch. 12 - Describe the molecular composition and arrangement...Ch. 12 - Describe the transitions that occur as nucleosomes...Ch. 12 - Provide a comprehensive definition of...Ch. 12 - Mammals contain a diploid genome consisting of at...Ch. 12 - Assume that a viral DNA molecule is a 50-m-long...Ch. 12 - How many base pairs are in a molecule of phage T2...Ch. 12 - Examples of histone modifications are acetylation...Ch. 12 - Contrast the structure of SINE and LINE DNA...Ch. 12 - Variable number tandem repeats (VNTRs) are...Ch. 12 - It has been shown that infectious agents such as...Ch. 12 - Cancer can be defined as an abnormal proliferation...Ch. 12 - In a study of Drosophila, two normally active...Ch. 12 - Prob. 21ESPCh. 12 - An article entitled Nucleosome Positioning at the...Ch. 12 - Prob. 23ESPCh. 12 - Following is a diagram of the general structure of...Ch. 12 - Microsatellites are currently exploited as markers...Ch. 12 - At the end of the short arm of human chromosome 16...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- How does recombination in bacteria differ from recombination in eukaryotes? 1) Recombination does not occur in prokaryotes 2) Only the plasmid DNA goes through recombination in prokaryotes 3) Sister chromatids, not homologous chromosomes, exchange information during recombination in prokaryotes 4) A portion of DNA from genome is replaced with homologous DNA from another strain of bacteria.arrow_forwardContrast the sizes of the chromosomes of bacteriophage l and T2with that of E. coli, and compare the appearance and size of theDNA associated with mitochondria and chloroplasts.arrow_forwardDetermine the order of the three genes on the phage chromosome.arrow_forward
- With respect to F+ and F- bacterial matings, (a) How was it established that physical contact was necessary? (b) How was it established that chromosome transfer was unidirectional? (c) What is the genetic basis of a bacterium being F+?arrow_forwardBacterial conjugation has medical consequences. For example, certain plasmids contain genes that code for toxins. The causative agent of a deadly form of food poisoning, E. coli 0157, synthesizes a toxin that causes massive bloody diarrhea and kidney failure. This toxin is now believed to have originated in Shigella, another bacterium that causes dysentery. Similarly, the growing problem of antibiotic resistance is partly attributable to the spread of antibioticresistant genes among bacterial populations. Antibiotic resistance develops because antibiotics are overused in medical practice and in livestock feeds. Suggest a mechanism by which this extensive use promotes antibiotic resistance.arrow_forwardBelow is a diagram of the general structure of the bacteriophagel chromosome. Speculate on the mechanism by which it forms aclosed ring upon infection of the host cell. 5'GGGCGGCGACCT:double@stranded region-3' 3'- double@stranded region:CCCGCCGCTGGA5'arrow_forward
- Which of the following is NOT a mechanism by which plasmids inerease the possibility of being present in the new generation of cells? A) O They can be present at a high number so that some copies will end up in each new cell after cell division. B) O They encode traits such as antibiotic resistance that are required for growth in some environments. C) O They cause the cell to replicate much more rapidly than cells that do not have plasmids. D) O They may carry host survival genes and self-preservation genes.arrow_forwardWhich of the following statements is false? a) the bacterial chromosome is usually circular b) the bacterial chromosome has a single origin of replication c) the bacterial chromosome consists of a single molecule of DNA d) plasmids are small DNA molecules that occur in bacteria but are not essential - for normal function. e) Most bacterial genomes consist of fewer than 1,000 genesarrow_forwardBacterial cells were coinfected with two types of bacteriophage lambda: One carried the c+ allele and theother the c allele. After the cells lysed, progeny bacteriophage were collected. When a single such progeny bacteriophage was used to infect a new bacterialcell, it was observed in rare cases that some of theresulting phage progeny were c+ and others were c.Explain this result.arrow_forward
- What is the term used to describe the genome of a bacterial cell that has been infected by a phage utilizing lysogeny? O 1) nucleocapsid O 2) prophpage O 3) provirus O 4) lysogenome O 5) chromatidarrow_forwardTo be able to recognize a colony of bacteria that had grown from cells of Mycoplasma capricolum in which the DNA had been replaced by a synthetic DNA of Mycoplasma mycoides, Daniel Gibson added a that coded for a blue pigment. (a) cell (b) chromosome (c) gene (d) bacteriumarrow_forwardFigure 3: Restrictrion site map showing the following: A) linear DNA that is not cut as reference B) DNA cut with BamHI, C) DNA cut with EcoRI, D) DNA cut with Hindlll 1. Calculate the size of the resulting fragments as they will occur after digestion and write the sizes on the maps below. Note that linear DNA has a total size of 48 502 bp A A DNA 10,000 20,000 30,000 40,000 48,502 (bp)arrow_forward
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