A virus with a narrow host range: a-All of these choices are correct. b-is usually highly...
Homework Answers
A virus with a narrow host range
Ans- Infects cells of only a few species
(A small pox virus with narrow host range only infect human.
Virus with broad host range like rabies infect several species of mammals.)
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A virus with a narrow host range:
a-All of these choices are correct.
b-is usually highly...
What best describes whether a virus is likely to infect a particular cell? Group of answer...
What best describes whether a virus is likely to infect a particular cell? Group of answer choices (A) Viruses infect the first cells they encounter. (B) A virus will only infect host cells with the correct surface receptors. (C) If a host cell is weakened, viruses are likely to infect it. (D) The initial choice is random but once a cell type is chosen it becomes the preferred host.
b. Tobacco Mosaic Virus (TMV) has been isolated from virtually all commercial tobacco products. Why then, is TMV infection not a hazard for humans? That is, why does its host range only include s...
b. Tobacco Mosaic Virus (TMV) has been isolated from virtually all commercial tobacco products. Why then, is TMV infection not a hazard for humans? That is, why does its host range only include some plants, but not humans? Think about the steps of the Viral Reproductive Cycle above, especially how an infection would have to be initiated.
b. Tobacco Mosaic Virus (TMV) has been isolated from virtually all commercial tobacco products. Why then, is TMV infection not a hazard for...
Which of the following is not Replicating shapes Mad cow disease DNA Toxic proteins inted with...
Which of the following is not Replicating shapes Mad cow disease DNA Toxic proteins inted with prio Bovine spongiform encephalopathy Which statement is true about viroide? They are single-stranded RNA particles They reproduce only outside of the cell c. They produce proteins They affect both plants and animals e. None of the above is true about viroids A bacterium is infected with an exp b. infected with an experimentally constructed bacteriophage composed of the e protein coat and T4 phace...
Which of the following viruses depend on virion enzymes to start the virus replication cycle after...
Which of the following viruses depend on virion enzymes to start the virus replication cycle after delivery of the genome to the host cell? a poliovirus b) influenza c) retrovirus d) all of the above e) b and c of the above ONE or MORE of the following statements is correct. Using the key below, choose the appropriate answer: a) if only 1, 2, and 3, are correct b) if only 1 and 3 are correct c) if only 2...
20. Phenotypic plasticity A. is when an organism survives but not does not reproduce. B. only...
20. Phenotypic plasticity A. is when an organism survives but not does not reproduce. B. only happens for animals, not plants C. is the altered phenotype of organism based on variation in genotype. D. none of the above 21. Commensalism is when A. for example, there is colonization by a gastrointestinal bacterial species that provides neither a benefit nor an ailment for the host B. there is an exaptation due to hybridization C. there is a mixture of chromosomes as...
QUESTIONS Watch the disease to the correct type of microbe. Choices can be used more than...
QUESTIONS Watch the disease to the correct type of microbe. Choices can be used more than once or not at all cholera A. bacteria Eastric ulcers B. protozoan C. virus influenza D. more than one of these is correct measles E. none of these is correct F. This is not an infectious disease D. pneumonia Pertussis CDAD Chicken Pox Warts C. A. Lyme Disease herpes toxic shock syndrome Tetanus A. V QUESTION 6 Match the disease to the correct type...
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...
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)?...
Please give me answers for those multiple choices. Thank you 7. Diseases which are found in...
Please give me answers for those multiple choices. Thank you
7. Diseases which are found in seriously ill persons, but are not usually problematic in healthy individuals are termed: a) Nosocomial b) Sentinel diseases c) Opportunistic infections d) Caused by highly virulent organisms 8. The principle chemical found in bacteria cell walls is a) Proteins b) Peptidoglycan c) Phospholipids d) Carbohydrates 9. Drawbacks to the use of antibiotics include: a) Indiscriminate action against both bad and harmless bacteria. b) Development...
7. What are prions? a. Mobile segments of DNA b. Tiny molecules of RNA that infect...
7. What are prions? a. Mobile segments of DNA b. Tiny molecules of RNA that infect plants c. Viral DNA that has to integrate into the host genome d. Misfolded versions of normal brain protein e. Viruses that invade bacteria 28. The difference between vertical and horizontal transmis plant to its of plant viruses is that , and horizontal transmission is one plant spreading thaves to lowe t the same vertical transmission is the spread of viruses from upper among...
b. Tobacco Mosaic Virus (TMV) has been isolated from virtually all commercial tobacco products. Why then, is TMV infection not a hazard for humans? That is, why does its host range only include some plants, but not humans? Think about the steps of the Viral Reproductive Cycle above, especially how an infection would have to be initiated.
b. Tobacco Mosaic Virus (TMV) has been isolated from virtually all commercial tobacco products. Why then, is TMV infection not a hazard for...
Which of the following is not Replicating shapes Mad cow disease DNA Toxic proteins inted with prio Bovine spongiform encephalopathy Which statement is true about viroide? They are single-stranded RNA particles They reproduce only outside of the cell c. They produce proteins They affect both plants and animals e. None of the above is true about viroids A bacterium is infected with an exp b. infected with an experimentally constructed bacteriophage composed of the e protein coat and T4 phace...
Which of the following viruses depend on virion enzymes to start the virus replication cycle after delivery of the genome to the host cell? a poliovirus b) influenza c) retrovirus d) all of the above e) b and c of the above ONE or MORE of the following statements is correct. Using the key below, choose the appropriate answer: a) if only 1, 2, and 3, are correct b) if only 1 and 3 are correct c) if only 2...
20. Phenotypic plasticity A. is when an organism survives but not does not reproduce. B. only happens for animals, not plants C. is the altered phenotype of organism based on variation in genotype. D. none of the above 21. Commensalism is when A. for example, there is colonization by a gastrointestinal bacterial species that provides neither a benefit nor an ailment for the host B. there is an exaptation due to hybridization C. there is a mixture of chromosomes as...
QUESTIONS Watch the disease to the correct type of microbe. Choices can be used more than once or not at all cholera A. bacteria Eastric ulcers B. protozoan C. virus influenza D. more than one of these is correct measles E. none of these is correct F. This is not an infectious disease D. pneumonia Pertussis CDAD Chicken Pox Warts C. A. Lyme Disease herpes toxic shock syndrome Tetanus A. V QUESTION 6 Match the disease to the correct type...
Please give me answers for those multiple choices. Thank you
7. Diseases which are found in seriously ill persons, but are not usually problematic in healthy individuals are termed: a) Nosocomial b) Sentinel diseases c) Opportunistic infections d) Caused by highly virulent organisms 8. The principle chemical found in bacteria cell walls is a) Proteins b) Peptidoglycan c) Phospholipids d) Carbohydrates 9. Drawbacks to the use of antibiotics include: a) Indiscriminate action against both bad and harmless bacteria. b) Development...
7. What are prions? a. Mobile segments of DNA b. Tiny molecules of RNA that infect plants c. Viral DNA that has to integrate into the host genome d. Misfolded versions of normal brain protein e. Viruses that invade bacteria 28. The difference between vertical and horizontal transmis plant to its of plant viruses is that , and horizontal transmission is one plant spreading thaves to lowe t the same vertical transmission is the spread of viruses from upper among...
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