Homework Answers
HIV is a example of retrovirus.
RNA viruses comprises the retroviruses, so called because the genetic information flows from RNA to DNA rather than from DNA to RNA. This class includes the Human immunodeficiency virus-1 (HIV-1), the cause of AIDS.
Retroviruses contains the single stranded RNA. Flow of information from RNA to DNA in retrovirus is as follows:
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HIV is an example of this type of virus Select one or more: I a. Bacteriophage...
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...
help solve please Which statement is not true (meaning False) about the virus capsid? Select one:...
help solve please
Which statement is not true (meaning False) about the virus capsid? Select one: O a. Because the capsid is not essential to the virus, it's not a useful target for antiviral drugs. b. The capsid is made of one or more types of protein subunits. O c. The capsid determines the shape of the virus. O d. The capsid functions as a package for the viral genetic material. O e. Both bacteriophage and animal viruses have capsids....
HIV is a retrovirus (a virus that uses reverse transcriptase). a. What is reverse transcriptase? b....
HIV is a retrovirus (a virus that uses reverse transcriptase). a. What is reverse transcriptase? b. How is a retrovirus different from other viruses? c. How does a retrovirus infect a cell and reproduce itself? 2. Review of the immune system. a. What is a T cell? b. What varieties of T cell exist? How are they functionally different? c. What are their roles in the human body? d. How is each T cell variety differentiated from the others (molecularly)?...
Lysogenic, or temperate, bacteriophage can undergo which type of life cycle?
Lysogenic, or temperate, bacteriophage can undergo which type of life cycle? A. Lytic cycle B. Lysogenic cycle C. both A and B at the same time D. Either A or B, depending on conditions
Gleevec is an example of: Select one or more: O a. a monoclonal antibody b. a...
Gleevec is an example of: Select one or more: O a. a monoclonal antibody b. a targeted therapy drug O c. gene therapy Xenotransplantation is: Select one or more: a. a type of transplantation that uses incompatible human organs b. the same thing as autografting c. a type of transplantation that uses animal organs
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....
35. Bacteriophage Research: Below is an example of experimental results from a bacteriophage one-step growth curve....
35. Bacteriophage Research: Below is an example of experimental results from a bacteriophage one-step growth curve. This experiment was conducted to compare the number of bacteriophages produced in the presence or absence of a newly identified natural remedy nicknamed "Bacteriophage-Be-Gone" that has been shown by others to reduce virus production. Please analyze the results and answer the questions below. Number of bacteriophages 30 60 180 210 240 90 120 150 time (min) a. (10 points) Please label (on the graph)...
Thank you angels its an example problem 4.2 Binomial distribution The genome of the HIV-1 virus,...
Thank you angels its an example problem
4.2 Binomial distribution The genome of the HIV-1 virus, like any genome, is a string of "letters" (basepai an "alphabet"containing only four letters. The message for HIV is rather rs) in short, just 101 letters in all. Because any of the letters can mutat choices, there's a total of 30 000 possible distinct one-letter mutations. e to any of the three other In 1995, A. Perelson and D. Ho found that every day...
Comparing the HIV virus to the phages discussed in class...
49.Comparing the HIV virus to the phages discussed in class... Select one: a. Phages can infect eukaryotes broadly, while HIV infects humans alone b. Both HIV and phages are encapsulated viruses that have phospholipid membranes surrounding their protein capsids c. HIV uses glycosylated, host-derived proteins, while phages use protein spikes, to interact with their host cells facilitating infection d. In the extracellular space, both HIV and phages utilize DNA as their genetic material e. HIV and virulent phages are capable of integrating into their respective host's...
Which of the following regarding antimicrobial control agents is FALSE? Select one: O a. Alcohols effectively...
Which of the following regarding antimicrobial control agents is FALSE? Select one: O a. Alcohols effectively inactivate nonenveloped viruses by attacking lipids. o b. Silver-impregnated dressings are used for treating antibiotic-resistant bacteria. O c. Some agents kill by denaturing microbial cell proteins. O d. Contaminating organic debris such as blood or sputum decrease effectiveness. e. Some agents affect microbial cell membranes by dissolving lipids. Which statement is not true (meaning False) about the virus capsid? Select one: O a. Both...
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...
help solve please
Which statement is not true (meaning False) about the virus capsid? Select one: O a. Because the capsid is not essential to the virus, it's not a useful target for antiviral drugs. b. The capsid is made of one or more types of protein subunits. O c. The capsid determines the shape of the virus. O d. The capsid functions as a package for the viral genetic material. O e. Both bacteriophage and animal viruses have capsids....
Gleevec is an example of: Select one or more: O a. a monoclonal antibody b. a targeted therapy drug O c. gene therapy Xenotransplantation is: Select one or more: a. a type of transplantation that uses incompatible human organs b. the same thing as autografting c. a type of transplantation that uses animal organs
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....
35. Bacteriophage Research: Below is an example of experimental results from a bacteriophage one-step growth curve. This experiment was conducted to compare the number of bacteriophages produced in the presence or absence of a newly identified natural remedy nicknamed "Bacteriophage-Be-Gone" that has been shown by others to reduce virus production. Please analyze the results and answer the questions below. Number of bacteriophages 30 60 180 210 240 90 120 150 time (min) a. (10 points) Please label (on the graph)...
Thank you angels its an example problem
4.2 Binomial distribution The genome of the HIV-1 virus, like any genome, is a string of "letters" (basepai an "alphabet"containing only four letters. The message for HIV is rather rs) in short, just 101 letters in all. Because any of the letters can mutat choices, there's a total of 30 000 possible distinct one-letter mutations. e to any of the three other In 1995, A. Perelson and D. Ho found that every day...
Which of the following regarding antimicrobial control agents is FALSE? Select one: O a. Alcohols effectively inactivate nonenveloped viruses by attacking lipids. o b. Silver-impregnated dressings are used for treating antibiotic-resistant bacteria. O c. Some agents kill by denaturing microbial cell proteins. O d. Contaminating organic debris such as blood or sputum decrease effectiveness. e. Some agents affect microbial cell membranes by dissolving lipids. Which statement is not true (meaning False) about the virus capsid? Select one: O a. Both...
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