Homework Answers
The correct answer is option C that is neutralization as it is defined as the procedure for prevention of viral attachment to a host cell or inactivation of a toxic chemical substance through antibody binding.
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QUESTION 18 revention of viral attachment to a host cell or inactivation of a toxic chemical...
32. Which structures in bacteriophages are responsible for attachment by binding to a host cell receptor?...
32. Which structures in bacteriophages are responsible for attachment by binding to a host cell receptor? a. spikes b. tail fibers c prophages d. capsomeres e nucleotides
23. All the following could be possibly target sites for antibacterials except a. peptidoglycan b. ribosomes...
23. All the following could be possibly target sites for antibacterials except a. peptidoglycan b. ribosomes cf ergosterol d. RNA e. Bacterial enzymes 24. T-cell dependent antigens can a. directly stimulate B cells to multiply and produce antibodies b. restrict antibody formation c. activate macrophages d. indirectly activate Th cells 25. Which of the following is not an effect of complement activation a. interferes with viral replication b. bacterial cell lysis opsonization d. increased phagocytic activity e. inflammation 26. Resistance...
please answer all An example of a viral countermeasure occurs when Herpes and Pox viruses produce...
please answer all
An example of a viral countermeasure occurs when Herpes and Pox viruses produce proteins that reproduce the activities of host proteins that regulate Cytotoxic T Cells Degradation of APOBEC Complement Activity Expression o MCH Class I Antigens Antibody Binding can result in neutralization of viral infection which may occur by Prevention of virion attachment to the cell receptors Antibody coated fusion proteins may inhibit fusion of the envelope and cell membrane Inhibition of genome uncoating Antibody Binding...
) In which phase of the viral "life cycle" does the host cell lyse? A) Lysogenic...
) In which phase of the viral "life cycle" does the host cell lyse? A) Lysogenic phase B) Lytic phase C) osmosis D) plasmolysis E) cellular respiration
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...
QUESTION 50 A virus whose genome is replicated in synchrony with the host cell genome is...
QUESTION 50 A virus whose genome is replicated in synchrony with the host cell genome is known as lytic virulent viroid temperate QUESTION 51 In poliovirus, cleavage of the polyprotein is accomplished by multiple host cell proteases O a host cell protease a virus-encoded protease host cell proteasome Click Save and Submit to save and submit. Click Save All Answers to save all answers. Ch 16 PPT AP no...pptx Ch. 17 PPT AP no.pptx4 0 Ch 18 PPT AP no.ppt...
HIV, the virus which causes AIDS, interacts with two receptors on the host cell membrane: CD4...
HIV, the virus which causes AIDS, interacts with two receptors on the host cell membrane: CD4 and CCR5. A small percentage of individuals have a genetic mutation which causes their cells to lack CCR5. These individuals will never develop AIDS nor are they able to pass HIV on to others. Which part of viral replication is being blocked by the lack of a receptor? Select one: o a. Newly assembled virions cannot be released from the host cell. O b....
QUESTION 12 The first step in the infection cycle of a virus is replication of its...
QUESTION 12 The first step in the infection cycle of a virus is replication of its genome degradation of the host genome lysis of the host cell attachment to the host cell surface QUESTION 13 Which of the following is NOT a true statement about regulons? Regulons are known to be under positive and negative control Regulons are only known to be under positive control. A regulon describes two or more operons that are under the control of the same...
15 through 20 please A) live lab animals; B) embryonated bird eggs: C) tissue cell cultures;...
15 through 20 please
A) live lab animals; B) embryonated bird eggs: C) tissue cell cultures; D) a blood agar 15. Which of the following is a type of cytopathic effect that can be used as evidence of viral infection? A) inclusions in the nucleus; B) multinucleated giant cells (syncytia): C) inclusions in the cytoplasm; D) cells rounding up and transforming into tumor cells; E) all of the choices are correct 16. Which of the following is a function of...
QUESTION 1 What is a heterophile antigen? a. an antigen homospecific to only one antibody. b....
QUESTION 1 What is a heterophile antigen? a. an antigen homospecific to only one antibody. b. an antigen that has been modified to bind to more than one antibody. c. an antigen found only on one etiological agent. d. an antigen common to more than one species and whose distribution is unrelated to its phylogenetic distribution. 1 points QUESTION 2 What is an antigen? a protein synthesized and secreted by T lymphocytes (T cells). All bacterial cells are antigens....
32. Which structures in bacteriophages are responsible for attachment by binding to a host cell receptor? a. spikes b. tail fibers c prophages d. capsomeres e nucleotides
23. All the following could be possibly target sites for antibacterials except a. peptidoglycan b. ribosomes cf ergosterol d. RNA e. Bacterial enzymes 24. T-cell dependent antigens can a. directly stimulate B cells to multiply and produce antibodies b. restrict antibody formation c. activate macrophages d. indirectly activate Th cells 25. Which of the following is not an effect of complement activation a. interferes with viral replication b. bacterial cell lysis opsonization d. increased phagocytic activity e. inflammation 26. Resistance...
please answer all
An example of a viral countermeasure occurs when Herpes and Pox viruses produce proteins that reproduce the activities of host proteins that regulate Cytotoxic T Cells Degradation of APOBEC Complement Activity Expression o MCH Class I Antigens Antibody Binding can result in neutralization of viral infection which may occur by Prevention of virion attachment to the cell receptors Antibody coated fusion proteins may inhibit fusion of the envelope and cell membrane Inhibition of genome uncoating Antibody Binding...
12. Antimicrobials may a. produce allergic reactions b. produce toxic effects not only to the microbe but to the hoat c. kill bacteria in our bodies all the above 13. All of the following pertain to the role ofactivated helper T cells in cellular mediatesd immunity except a. differentiation into memory Th cells b. recognize MHC with antigenic peptide on macrophages c. activate Te cells indirectly lead to cytolysis through complement e. indirectl y lead to phagocytosis of large microorganisms...
QUESTION 50 A virus whose genome is replicated in synchrony with the host cell genome is known as lytic virulent viroid temperate QUESTION 51 In poliovirus, cleavage of the polyprotein is accomplished by multiple host cell proteases O a host cell protease a virus-encoded protease host cell proteasome Click Save and Submit to save and submit. Click Save All Answers to save all answers. Ch 16 PPT AP no...pptx Ch. 17 PPT AP no.pptx4 0 Ch 18 PPT AP no.ppt...
HIV, the virus which causes AIDS, interacts with two receptors on the host cell membrane: CD4 and CCR5. A small percentage of individuals have a genetic mutation which causes their cells to lack CCR5. These individuals will never develop AIDS nor are they able to pass HIV on to others. Which part of viral replication is being blocked by the lack of a receptor? Select one: o a. Newly assembled virions cannot be released from the host cell. O b....
QUESTION 12 The first step in the infection cycle of a virus is replication of its genome degradation of the host genome lysis of the host cell attachment to the host cell surface QUESTION 13 Which of the following is NOT a true statement about regulons? Regulons are known to be under positive and negative control Regulons are only known to be under positive control. A regulon describes two or more operons that are under the control of the same...
15 through 20 please
A) live lab animals; B) embryonated bird eggs: C) tissue cell cultures; D) a blood agar 15. Which of the following is a type of cytopathic effect that can be used as evidence of viral infection? A) inclusions in the nucleus; B) multinucleated giant cells (syncytia): C) inclusions in the cytoplasm; D) cells rounding up and transforming into tumor cells; E) all of the choices are correct 16. Which of the following is a function of...
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