Homework Answers
Answer- A. Penetration
Steps in the lytic cycle-
- Attachment
- Penetration
- Biosynthesis
- Maturation
- Lysis
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What part of the bacteriophage lytic cycle is represented by
B
A. Penetration B. Attachment C....
Summarize the five stages of the lytic cycle. Attachment: Penetration: Biosynthesis: Maturation/Assembly: Release:
Summarize the five stages of the lytic cycle. Attachment: Penetration: Biosynthesis: Maturation/Assembly: Release:
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...
Review Each temperate (or lysogenic) bacteriophage (e.g., lambda, 434, P22) encodes its own repressor protein. The...
Review Each temperate (or lysogenic) bacteriophage (e.g., lambda, 434, P22) encodes its own repressor protein. The repressor binds to six binding sites within the phage genome. These sites can also be bound by a second transcriptional repressor encoded by the phage, called Cro. The pattern of binding of repressor and Cro to these sites determines whether the phage grows lytically or lysogenicaly. Launch the molecular model of the temperate bacteriophage repressor to explore its structure. Then, answer the questions. Launch...
Bacteriophage replication differs from animal virus replication because only bacteriophage replication involves: Select one: O a....
Bacteriophage replication differs from animal virus replication because only bacteriophage replication involves: Select one: O a. injection of naked nucleic acid into the host cell. O b. adsorption to specific receptors. O c. replication of viral nucleic acid. O d. lysis of the host cell. e. assembly of viral components. Which of the following can contribute to postoperative infections? Select one: O a. antibiotic resistance O b. using syringes more than once O c. errors in aseptic technique d. normal...
which is not charastiritic E) beth A and C. 34 A commen cause of the common...
which is not charastiritic
E) beth A and C. 34 A commen cause of the common cold is the C) rhino virus 35. The correct sequence in viral reproduction is A) attachment, penetration, assembly, replication, release. B) penetration, absorption, assembly, replication, release. C) attachment, penetration, replication, assembly, release. D) release, assembly, penetration, replication, attachment E) attachment, penetration, replication, release, assembly. 36. What is the evolutionary advantage of an exoskeleton? A it protects the body B. It waterproofs the body. C....
36) Which of the following has been linked to cervical cancer? a) Human papilloma virus b)...
36) Which of the following has been linked to cervical cancer? a) Human papilloma virus b) Epstein-Barr virus c) Influenza Virus d) Human immunodeficiency virus e) Human herpes virus 37) This virus has 8 nucleocapsids a) Rhabdoviridiae b) Orthomyxoviridiae c) Herpesviridiae d) Retroviridae e) Ebola 38) Which of these enzymes is necessary for the replication of a (+) strand RNA virus? a) RNA dependent RNA polymerase b) RNA-dependent DNA polymerase c) Reverse Transcriptase d) DNA dependent DNA polymerase e) DNA-dependent...
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...
35. Both humoral and cellular immunity share the following attributes except a. distinguishes self from non-self...
35. Both humoral and cellular immunity share the following attributes except a. distinguishes self from non-self b specificity mory first-line of defense e. involve the T-cell antigen pathway 36. Which of the following is common to viruses and antibodies? a. they are cell specific b. they can be cytolytic c. they can be phagocytic d. they contain lysozyme e. they contain nucleic acids 37. What non-specific immune component is directly responsible for the lysis of invading microorganisms? chemotaxis b. membrane...
HA a) important in lytic cycle release of new virions b) multiple serotypes are protected against...
HA a) important in lytic cycle release of new virions b) multiple serotypes are protected against c) complication of aspirin administration in children d) prevents viral RNA replication e) inhibits viral replication and release f) can stimulate immune response but not cause infection g) necessary for viral adsorption onto host cell NA TIV LAIV amantidine zanamivir Reyes syndrome Someone in your family tests positive for TB. What does this mean? Are you at risk? A common cause of bacterial pneumonia...
1) The SOS regulatory system is activated by _________________. a. repression of RecA b. the activity...
1) The SOS regulatory system is activated by _________________. a. repression of RecA b. the activity of DNA polymerase IV c. DNA damage d. transcription of LexA 2) During an infection of a host cell with a lytic virus, viral mRNA and proteins are synthesized in what phase of viral replication? a. Latent period b. Burst period c. Lag phase d. Exponential growth e. Attachment 3) A CRISPR system is a_______________________________________. a. none of these answers are correct b. DNA...
Summarize the five stages of the lytic cycle. Attachment: Penetration: Biosynthesis: Maturation/Assembly: Release:
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...
Review Each temperate (or lysogenic) bacteriophage (e.g., lambda, 434, P22) encodes its own repressor protein. The repressor binds to six binding sites within the phage genome. These sites can also be bound by a second transcriptional repressor encoded by the phage, called Cro. The pattern of binding of repressor and Cro to these sites determines whether the phage grows lytically or lysogenicaly. Launch the molecular model of the temperate bacteriophage repressor to explore its structure. Then, answer the questions. Launch...
Bacteriophage replication differs from animal virus replication because only bacteriophage replication involves: Select one: O a. injection of naked nucleic acid into the host cell. O b. adsorption to specific receptors. O c. replication of viral nucleic acid. O d. lysis of the host cell. e. assembly of viral components. Which of the following can contribute to postoperative infections? Select one: O a. antibiotic resistance O b. using syringes more than once O c. errors in aseptic technique d. normal...
which is not charastiritic
E) beth A and C. 34 A commen cause of the common cold is the C) rhino virus 35. The correct sequence in viral reproduction is A) attachment, penetration, assembly, replication, release. B) penetration, absorption, assembly, replication, release. C) attachment, penetration, replication, assembly, release. D) release, assembly, penetration, replication, attachment E) attachment, penetration, replication, release, assembly. 36. What is the evolutionary advantage of an exoskeleton? A it protects the body B. It waterproofs the body. C....
36) Which of the following has been linked to cervical cancer? a) Human papilloma virus b) Epstein-Barr virus c) Influenza Virus d) Human immunodeficiency virus e) Human herpes virus 37) This virus has 8 nucleocapsids a) Rhabdoviridiae b) Orthomyxoviridiae c) Herpesviridiae d) Retroviridae e) Ebola 38) Which of these enzymes is necessary for the replication of a (+) strand RNA virus? a) RNA dependent RNA polymerase b) RNA-dependent DNA polymerase c) Reverse Transcriptase d) DNA dependent DNA polymerase e) DNA-dependent...
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...
35. Both humoral and cellular immunity share the following attributes except a. distinguishes self from non-self b specificity mory first-line of defense e. involve the T-cell antigen pathway 36. Which of the following is common to viruses and antibodies? a. they are cell specific b. they can be cytolytic c. they can be phagocytic d. they contain lysozyme e. they contain nucleic acids 37. What non-specific immune component is directly responsible for the lysis of invading microorganisms? chemotaxis b. membrane...
HA a) important in lytic cycle release of new virions b) multiple serotypes are protected against c) complication of aspirin administration in children d) prevents viral RNA replication e) inhibits viral replication and release f) can stimulate immune response but not cause infection g) necessary for viral adsorption onto host cell NA TIV LAIV amantidine zanamivir Reyes syndrome Someone in your family tests positive for TB. What does this mean? Are you at risk? A common cause of bacterial pneumonia...
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