Some RNA-dependent RNA-polymerase enzymes make a lot of mistakes. Why would this work to the advantage of a virus in terms of how effective a vaccine might be?

If you Infect the Jurkat T lymphocyte cell line with HIV-1 strain IIIB. Lyse the infected cells at the peak cytopathic effect and isolate DNA from the whole cell lysates. 1. What types of PPE will be used in this experiment? 2. Is this experiment using a recombinant DNA? 3.will workers require health surveillance?

What are some ways that viruses have evaded our immune system? Include source used. Thank you

1.Which of the following statements is true? Vaccines cannot be made against viruses. Viruses are big enough to be seen with a light microscope. Viruses need to infect host cells to make copies of themselves. Viruses have organelles such as a nucleus. 2.Which type of movement across membranes is used by COVID-19 to infect cells? Active Transport Simple Diffusion Facilitated Diffusion Endocytosis

Topic: Resistance to antibiotics 11. Once resistance occurs, what has the scientific community had to do? 12. Do antibiotics only affect negative bacteria? explain. 13. What are the most feared diseases due to antibiotic resistance? 14. Should antibiotics be used against viruses? explain. 15. How can we avoid antibiotic resistance?