Homework Answers
1. Conjugation
2. Translation
3.Transduction
4. Competence
5.Eukaryotes
6. Prokaryotes
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Match the following terms regarding bacterial transformation with the proper description 1 Bacterial cells that are...
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by...
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by a rigid cell wall that protects the cell from damage. You will recall that there is no nuclear envelope in prokaryotic cells, but rather a “nucleoid region” with a single chromosome that is continuous (circular), not linear, as in eukaryotes. All of the genes required for basic survival and reproduction are found in the main chromosome. In addition to the main chromosomes, some DNA...
1. Match the following "trans” word with its definition. Translation Transposon ✓ Choose... Use of DNA...
1. Match the following "trans” word with its definition. Translation Transposon ✓ Choose... Use of DNA to build RNA Jumping genes which change their position on the chromosome Bacterial cells pick up DNA from the environment Bacteriophages shuttle DNA from one cell to another Ribosomes use mRNA to build proteins Transformation Transcription Choose... Transduction Choose...
please help QUESTION 1 When transforming bacterial cells, a researcher is interested in generating bacteria that...
please help
QUESTION 1 When transforming bacterial cells, a researcher is interested in generating bacteria that exogenously express the gene that encodes GFP (green fluorescent protein). After transformation, she finds that no bacteria colonies grew on her selective media. Which of the following best explains the results of her transformation protocol? The concentration of the antibiotics in the selection media was too low, therefore no bacteria grew. Her bacterial cells were not competent so they took up excessive amounts of...
Bacterial cells typically have — while eukaryotic cells have — Select one: a. One linear chromosome;...
Bacterial cells typically have — while eukaryotic cells have — Select one: a. One linear chromosome; many circular chromosomes. O b. Two circular chromosomes; numerous circular chromosomes depending on the species. O c. A single circular chromosome; many linear chromosomes. O d. Several circular chromosomes; many linear chromosomes. Which of the following gives additional protection to some bacteria? Select one: O a. The capsule. O b. The nucleoid O c. The plasma membrane. O d. The cell wall. Chloroplasts Select...
Which statement about gene cloning is false? A. Bacterial cells take up recombinant plasmids by transformation....
Which statement about gene cloning is false? A. Bacterial cells take up recombinant plasmids by transformation. B. Recombinant DNA molecules usually contain a DNA fragment inserted into a bacterial vector. C. To insert a gene of interest into a vector, the gene of interest and the vector must be digested with different restriction enzymes D. Transformed bacteria are plated onto media containing the appropriate antibiotic and only bacteria containing the plasmid with antibiotic resistance will grow.
Match the following terms to the correct definition Match the following terms to the correct definition. 1. term used t...
Match the following terms to the correct definition
Match the following terms to the correct definition. 1. term used to describe the double stranded chromosomes present after DNA replication alleles A. cell division that results in the formation of B 4 cells each containing haploid number of chromosomes crossing over division of the cytoplasm type of cell division that results in the formation of 2 daughter cells genetically identical to parent cell pairing of homologous sister chromatids during prophase I...
compare selection and mutation 1. DNA molecules in the cells exist as a........ 2. DNA carry...
compare selection and mutation
1. DNA molecules in the cells exist as a........ 2. DNA carry the information to build and maintain the cells life by four letters of genetic language True False 3. The term phenotype is used to describe all of the organism's genetic information True / False 4. All of the organism DNA encode genes True/ False 5. Bacteria have one chromosome which is circular structure associated with proteins (no histones) True False 6. In the process...
1. The type of genetic exchange between bacterial cells that can happen between isolated DNA and...
1. The type of genetic exchange between bacterial cells that can happen between isolated DNA and a live bacterial cell is: a. conjugation b. transduction c. transversion d. transformation 2. An Hfr strain of E. coli with genotype a+b+c+d+e+f+ is mated with an F¯ auxotrophic strain with the genotype a¯b¯c¯d¯e¯f¯. Conjugation is stopped at 10 minute intervals and the genotypes of the resulting conjugants are determined. The following results are obtained: after 10 minutes e+ after 20 minutes a+ e+...
1. Match the molecule or term with its description Question Selected Match semi-conservative A. mechanism of...
1. Match the molecule or term with its description Question Selected Match semi-conservative A. mechanism of replication for viral DNA theta B. mechanism of replication for circular bacterial DNA rolling circle C. mechanism of DNA replication determined by Meselson and Stahl OriC D. where the two new DNA strands are synthesized A-T rich region E. where DNA unravels when initiator proteins bind OriC replication fork F. where replication begins for the bacterial chromosome leading strand G. the new DNA strand...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule into single strands. b. The leading strand of DNA is started by an RNA primer The lagging strand of DNA is synthesized as "Okazaki fragments", cach with its own RNA primer. DNA replication proceeds in both directions around the bacterial chromosome. DNA polymerase synthesives new DNA in one direction (3 to 5) only. 2. Which of the following would be found in eukaryotes? a....
Bacterial cells, such as E. coli, are surrounded by a fluid plasma membrane and enclosed by a rigid cell wall that protects the cell from damage. You will recall that there is no nuclear envelope in prokaryotic cells, but rather a “nucleoid region” with a single chromosome that is continuous (circular), not linear, as in eukaryotes. All of the genes required for basic survival and reproduction are found in the main chromosome. In addition to the main chromosomes, some DNA...
1. Match the following "trans” word with its definition. Translation Transposon ✓ Choose... Use of DNA to build RNA Jumping genes which change their position on the chromosome Bacterial cells pick up DNA from the environment Bacteriophages shuttle DNA from one cell to another Ribosomes use mRNA to build proteins Transformation Transcription Choose... Transduction Choose...
please help
QUESTION 1 When transforming bacterial cells, a researcher is interested in generating bacteria that exogenously express the gene that encodes GFP (green fluorescent protein). After transformation, she finds that no bacteria colonies grew on her selective media. Which of the following best explains the results of her transformation protocol? The concentration of the antibiotics in the selection media was too low, therefore no bacteria grew. Her bacterial cells were not competent so they took up excessive amounts of...
Bacterial cells typically have — while eukaryotic cells have — Select one: a. One linear chromosome; many circular chromosomes. O b. Two circular chromosomes; numerous circular chromosomes depending on the species. O c. A single circular chromosome; many linear chromosomes. O d. Several circular chromosomes; many linear chromosomes. Which of the following gives additional protection to some bacteria? Select one: O a. The capsule. O b. The nucleoid O c. The plasma membrane. O d. The cell wall. Chloroplasts Select...
Match the following terms to the correct definition
Match the following terms to the correct definition. 1. term used to describe the double stranded chromosomes present after DNA replication alleles A. cell division that results in the formation of B 4 cells each containing haploid number of chromosomes crossing over division of the cytoplasm type of cell division that results in the formation of 2 daughter cells genetically identical to parent cell pairing of homologous sister chromatids during prophase I...
compare selection and mutation
1. DNA molecules in the cells exist as a........ 2. DNA carry the information to build and maintain the cells life by four letters of genetic language True False 3. The term phenotype is used to describe all of the organism's genetic information True / False 4. All of the organism DNA encode genes True/ False 5. Bacteria have one chromosome which is circular structure associated with proteins (no histones) True False 6. In the process...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule into single strands. b. The leading strand of DNA is started by an RNA primer The lagging strand of DNA is synthesized as "Okazaki fragments", cach with its own RNA primer. DNA replication proceeds in both directions around the bacterial chromosome. DNA polymerase synthesives new DNA in one direction (3 to 5) only. 2. Which of the following would be found in eukaryotes? a....
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