Homework Answers
Answer:
1.) Conjugation with Hfr is very much different from others since in case of Hfr, there is transfer of chromosomal gene and not the transfer of plasmid gene. Hence there is always a transfer of gene in same order as it was present in the original chromosome.
2.) Transformation is the process of gene transfer in which the bacteria takes up genetic material (DNA) from the surroundings. This foreign DNA combines with the original DNA of the bacteria. This cell is now called a transformed cell. When these cells divide, the progeny can have genetic material from both i.e. From original DNA or the foreign DNA, and so only half of the progeny will have the alternate allele.
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Answer the following questions: a) Explain why conjugation with an Hfr cell always results in the...
What statement about conjugation is true? Group of answer choices A. Hfr strains are more useful...
What statement about conjugation is true? Group of answer choices A. Hfr strains are more useful for genetic mapping than F+ strains because Hfr strains can conjugate with any strain, while F+ strains can only conjugate with F- strains. B. Hfr strains are more useful for genetic mapping than F+ strains because they recombine transferred genetic material in the recipient cell at a higher rate. C. Hfr strains are more useful for genetic mapping than F+ strains because Hfr strains...
For the following please select the correct answer and explain why that answer is correct. 1)The...
For the following please select the correct answer and explain why that answer is correct. 1)The uptake of free DNA from the environment ________, while transfer of DNA with cell-to-cell contact would most likely result in ________. a) transformation / conjugation b)conjugation / transformation c) transformation / transduction 2) A deleterious mutation in recA results in: a) a decrease in homologous recombination. b) an increase in homologous recombination. c) no change in either general or specific recombination.
genetics questions. Please help thank you! t0 1-3. Match each of the following with the correct...
genetics questions. Please help thank you!
t0 1-3. Match each of the following with the correct type of gene transfer in bacteria (conjugation, transformation, or transduction) niee (a) Hfr x F- (b) Bacteriophage needed (c) Naked DNA transferred (d) Plaques formed (e) Direct contact between bacterial cells () F+xF- In Drosophild, the ganes ct (cut wing).yello ly), and v (vermilion cye color) arc all X-linked. Females hetcrozygous for all thrcc markers were mated with wildtype males, and the following malc...
please answer question 4a-c? What is the recombination frequency between trp and cysX? E) What is...
please answer question 4a-c?
What is the recombination frequency between trp and cysX? E) What is the recombination frequency between ton and cysX? F) What is the order of the three genes? Indicate the distance between them. 4. (3) Suppose that you mate a lac+ Hfr strain with the genotype str 1+ O+ 2+ y + (that you grew in the absence of lactose) with a lac-F-strain with the genotype str - O+ Z-y! You allow sufficient time for the...
please explain question 10 and answer correctly please The following information is relevant to Questions 9-13....
please explain question 10 and answer correctly please
The following information is relevant to Questions 9-13. Nine independent M13 bacteriophage mutants have been isolated which produce plaques on the E coli strain K12 but not on E. coli B. These mutants are used to infect the E. coli at a multiplicity of infection and these infected cells are presence of plaques is scored and the following results were obtained: high plated onto a lawn of E coli and incubated. The...
Please answer these 3 questions please. During an infection: One B cell can make more than...
Please answer these 3 questions please.
During an infection: One B cell can make more than two different antibodies, provided that they recognize the same antigen Each B-cell produces antibodies to a variety of antigens A variety of antibodies are produced by many B cells, but each B cell only produces one type of antibody The same type of antibody is produced by many B cells Bicoid is important for generation of the anterior-posterior axis by regulating expression of multiple...
QUESTIONS 7 - 11 Use the SAME letters above to answer the following questions 7. In...
QUESTIONS 7 - 11 Use the SAME letters above to answer the following questions 7. In eukaryotic organisms, mRNA that is made from DNA is almost always much larger right after it is synthesized compared to when it finally engages with a ribosome to make a protein. This process is called 8. In the process defined in question 7, is/are cut out of the DNA. 9. In eukaryotic organisms, activators bind to control regions called that are distant from the...
in C++ 1. Answer the following questions: a) 2 pts] Explain why it is important to...
in C++
1. Answer the following questions: a) 2 pts] Explain why it is important to indent code. What happens if code is not indented? b) 2 pts) Explain how you can prevent the unintended use of garbage values? c) (2 pts] Give one reason why you should use the keyword const when dealing with constant values. Make sure to explain what could happen if you fail to use this keyword. d) 2 pts) Give an example where simply declaring...
Explain why you choose the answer you did . A. Answer the following questions below. You...
Explain why you choose the
answer you did .
A. Answer the following questions below. You may use LT (for is less than), GT (for is greater than), EQ (for is equal to), MI (for more information is required), or true/false. 1. If 0.10 M Na2S is added to 1.00 L of a saturated solution of ZnS, the molar solubility of ZnS does not change. 2. Addition of NaCt will increase the solubility of ZnS. 3. Addition of Zn2+ results...
Name: PRELAB QUESTIONS 1. Define the following terms: Gene- Allele - Phenotype- Genotype- Homozygous dominant -...
Name: PRELAB QUESTIONS 1. Define the following terms: Gene- Allele - Phenotype- Genotype- Homozygous dominant - Homozygous recessive- Heterozygous- 2. Put into your own words Mendel's law of segregation. LI Does the law of segregation always apply when dealing with genes located on chromosomes within a diploid nucleus? If not, explain why. 3. Mendel worked with several pea plant characters, each of which was determined by a single gene with two alleles, one dominant and the other recessive. For each...
genetics questions. Please help thank you!
t0 1-3. Match each of the following with the correct type of gene transfer in bacteria (conjugation, transformation, or transduction) niee (a) Hfr x F- (b) Bacteriophage needed (c) Naked DNA transferred (d) Plaques formed (e) Direct contact between bacterial cells () F+xF- In Drosophild, the ganes ct (cut wing).yello ly), and v (vermilion cye color) arc all X-linked. Females hetcrozygous for all thrcc markers were mated with wildtype males, and the following malc...
please answer question 4a-c?
What is the recombination frequency between trp and cysX? E) What is the recombination frequency between ton and cysX? F) What is the order of the three genes? Indicate the distance between them. 4. (3) Suppose that you mate a lac+ Hfr strain with the genotype str 1+ O+ 2+ y + (that you grew in the absence of lactose) with a lac-F-strain with the genotype str - O+ Z-y! You allow sufficient time for the...
please explain question 10 and answer correctly please
The following information is relevant to Questions 9-13. Nine independent M13 bacteriophage mutants have been isolated which produce plaques on the E coli strain K12 but not on E. coli B. These mutants are used to infect the E. coli at a multiplicity of infection and these infected cells are presence of plaques is scored and the following results were obtained: high plated onto a lawn of E coli and incubated. The...
Please answer these 3 questions please.
During an infection: One B cell can make more than two different antibodies, provided that they recognize the same antigen Each B-cell produces antibodies to a variety of antigens A variety of antibodies are produced by many B cells, but each B cell only produces one type of antibody The same type of antibody is produced by many B cells Bicoid is important for generation of the anterior-posterior axis by regulating expression of multiple...
QUESTIONS 7 - 11 Use the SAME letters above to answer the following questions 7. In eukaryotic organisms, mRNA that is made from DNA is almost always much larger right after it is synthesized compared to when it finally engages with a ribosome to make a protein. This process is called 8. In the process defined in question 7, is/are cut out of the DNA. 9. In eukaryotic organisms, activators bind to control regions called that are distant from the...
in C++
1. Answer the following questions: a) 2 pts] Explain why it is important to indent code. What happens if code is not indented? b) 2 pts) Explain how you can prevent the unintended use of garbage values? c) (2 pts] Give one reason why you should use the keyword const when dealing with constant values. Make sure to explain what could happen if you fail to use this keyword. d) 2 pts) Give an example where simply declaring...
Explain why you choose the
answer you did .
A. Answer the following questions below. You may use LT (for is less than), GT (for is greater than), EQ (for is equal to), MI (for more information is required), or true/false. 1. If 0.10 M Na2S is added to 1.00 L of a saturated solution of ZnS, the molar solubility of ZnS does not change. 2. Addition of NaCt will increase the solubility of ZnS. 3. Addition of Zn2+ results...
Name: PRELAB QUESTIONS 1. Define the following terms: Gene- Allele - Phenotype- Genotype- Homozygous dominant - Homozygous recessive- Heterozygous- 2. Put into your own words Mendel's law of segregation. LI Does the law of segregation always apply when dealing with genes located on chromosomes within a diploid nucleus? If not, explain why. 3. Mendel worked with several pea plant characters, each of which was determined by a single gene with two alleles, one dominant and the other recessive. For each...
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