When a phage undergoes the lytic cycle from a his+ bacteria and subsequently infect a his-...
When a phage undergoes the lytic cycle from a his+ bacteria and subsequently infect a his- bacteria, how can this newly infected his- bacteria becomes his+ ?
Homework Answers
When phage undergo lytic cycle from his+ bacteria , it get gene for his+ from genome of his+ bacteria . So when it infect his- bacteria , it convert that bacteria into his+ by inserting gene for his+ into his- bacteria.
So this newly infected his- bacteria become his+.
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When a phage undergoes the lytic cycle from a his+ bacteria and
subsequently infect a his-...
Phage lambda never undergoes a lytic cycle. Question 11 options: True or False
Phage lambda never undergoes a lytic cycle. Question 11 options: True or False
27. When mixed with their host m and plated on solid agar, lytic phage will form...
27. When mixed with their host m and plated on solid agar, lytic phage will form clear areas in the bacterial growth. These clear areas are called plaques. What does the plaque assay determine? A) number of bacteriophage in a sample B) type of bacteriophage in a sample C) if the phage is a lysogenic phage D) if the virus can grow in a live animal host E) if a given drug will be useful in treating a given viral...
What defining feature characterizes the lytic replication cycle? Can viruses be cultured? If so, how is...
What defining feature characterizes the lytic replication cycle? Can viruses be cultured? If so, how is this "culturing" different from culturing a bacteria? How does the lysogenic replication cycle differ from the lytic replication cycle? Provide a brief and general summary of how virus infections are treated. What are the 4 different types of animal virus infections? How might the process of restriction help protect a cell from a viral infection? Is the process of restriction a guaranteed defense against...
The bacteriophage used in this experiment reproduces by the lytic cycle. Suppose a similar experiment were...
The bacteriophage used in this experiment reproduces by the
lytic cycle. Suppose a similar experiment were conducted with a
bacteriophage that uses the lysogenic cycle. How would the effect
on the infected bacteria MOST likely differ?
A. The bacteriophage would attach to the bacteria and reproduce
in the extracellular space.
B. The bacteriophage would become permanently dormant and
unresponsive to environmental cues for reproduction.
C. The bacteriophage would attach its genes to the bacteria’s
DNA, allowing its genes to be...
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle...
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle of viral Many bacterial cells containing viral DNA are produced 8) Viral DNA is incorporated into the host genome C) Th e viral genome replicates without destroying the host The bacterial host provides the nucleotides, enzymes, ribosomes and other co requires to make viral components D) 2. What is the function of the viral glycoproteins that are present in an enveloped virus? A) They...
Under what circumstances do bacteria engage in a true sexual life cycle A. During conjugation, when...
Under what circumstances do bacteria engage in a true sexual life cycle A. During conjugation, when a sex pilus is formed B. During their very rapid replication periods C. When the environment becomes harsh and extra genetic variation is required D. Under no circumstances do bacteria ever engage in a true sexual life cycle E. When they get lonesome
Question 8 2 pts How do certain bacteria always degrade "foreign" DNA when they are introduced...
Question 8 2 pts How do certain bacteria always degrade "foreign" DNA when they are introduced to it? s. These enzymes function to restrict the transfer of DNA between strains Bacteria utilize restriction enzymes. These enzymes function to restrict the tr of bacteria. Bacteria utilize restriction enzymes. therefore degrading it. These enzymes function to restrict the foreign DNA's ability to move, enzymes. These enzymes function to restrict translation triction enzymes. These enzymes function to restrict movement of the infected bacteria...
Instructions: Read each question carefully before selecting the one alternative that best completes the statement or...
Instructions: Read each question carefully before selecting the one alternative that best completes the statement or answers the question in each case and then indicate it on the answer card. Work at a steady pace and you should have ample time to finish the examination. MULTIPLE CHOICE (2 points each) chi Which group of organisms other than viruses is represented by the most number of individuals on earth? Insects b. Bacteria Archea d. Rats e. Earthworms c. A quaint bacteria...
When Dr. Bruce Banner becomes angry and undergoes a transformation into the Incredible Hulk, his blood...
When Dr. Bruce Banner becomes angry and undergoes a transformation into the Incredible Hulk, his blood plasma becomes saturated with Na-24 atoms. These radioactive sodium atoms decay into stable Mg-24 by beta decay, along with the release of two high-energy gamma rays, to which Dr. Banner is immune. After initially becoming angry and transforming into the Hulk, how long will it take so that only 15% of the Na-24 atoms remain in his blood plasma? The half-life of Na-24 is...
When Dr. Bruce Banner becomes angry and undergoes a transformation into the Incredible Hulk, his blood...
When Dr. Bruce Banner becomes angry and undergoes a transformation into the Incredible Hulk, his blood plasma becomes saturated with Na-24 atoms. These radioactive sodium atoms decay into stable Mg-24 by beta decay, along with the release of two high-energy gamma rays, to which Dr. Banner is immune. After initially becoming angry and transforming into the Hulk, how long will it take so that only 15% of the Na-24 atoms remain in his blood plasma? The half-life of Na-24 is...
27. When mixed with their host m and plated on solid agar, lytic phage will form clear areas in the bacterial growth. These clear areas are called plaques. What does the plaque assay determine? A) number of bacteriophage in a sample B) type of bacteriophage in a sample C) if the phage is a lysogenic phage D) if the virus can grow in a live animal host E) if a given drug will be useful in treating a given viral...
The bacteriophage used in this experiment reproduces by the
lytic cycle. Suppose a similar experiment were conducted with a
bacteriophage that uses the lysogenic cycle. How would the effect
on the infected bacteria MOST likely differ?
A. The bacteriophage would attach to the bacteria and reproduce
in the extracellular space.
B. The bacteriophage would become permanently dormant and
unresponsive to environmental cues for reproduction.
C. The bacteriophage would attach its genes to the bacteria’s
DNA, allowing its genes to be...
ach) 1. Which of the following statements correctly describes one replication? characteristic of the lytic cycle of viral Many bacterial cells containing viral DNA are produced 8) Viral DNA is incorporated into the host genome C) Th e viral genome replicates without destroying the host The bacterial host provides the nucleotides, enzymes, ribosomes and other co requires to make viral components D) 2. What is the function of the viral glycoproteins that are present in an enveloped virus? A) They...
Question 8 2 pts How do certain bacteria always degrade "foreign" DNA when they are introduced to it? s. These enzymes function to restrict the transfer of DNA between strains Bacteria utilize restriction enzymes. These enzymes function to restrict the tr of bacteria. Bacteria utilize restriction enzymes. therefore degrading it. These enzymes function to restrict the foreign DNA's ability to move, enzymes. These enzymes function to restrict translation triction enzymes. These enzymes function to restrict movement of the infected bacteria...
Instructions: Read each question carefully before selecting the one alternative that best completes the statement or answers the question in each case and then indicate it on the answer card. Work at a steady pace and you should have ample time to finish the examination. MULTIPLE CHOICE (2 points each) chi Which group of organisms other than viruses is represented by the most number of individuals on earth? Insects b. Bacteria Archea d. Rats e. Earthworms c. A quaint bacteria...
When Dr. Bruce Banner becomes angry and undergoes a transformation into the Incredible Hulk, his blood plasma becomes saturated with Na-24 atoms. These radioactive sodium atoms decay into stable Mg-24 by beta decay, along with the release of two high-energy gamma rays, to which Dr. Banner is immune. After initially becoming angry and transforming into the Hulk, how long will it take so that only 15% of the Na-24 atoms remain in his blood plasma? The half-life of Na-24 is...
When Dr. Bruce Banner becomes angry and undergoes a transformation into the Incredible Hulk, his blood plasma becomes saturated with Na-24 atoms. These radioactive sodium atoms decay into stable Mg-24 by beta decay, along with the release of two high-energy gamma rays, to which Dr. Banner is immune. After initially becoming angry and transforming into the Hulk, how long will it take so that only 15% of the Na-24 atoms remain in his blood plasma? The half-life of Na-24 is...
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