A. scavenging glucose B. slowly stockpiling ATP from the mitochondria. C. using

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A. scavenging glucose B. slowly stockpiling ATP from the mitochondria. C. using cilia to move to the next host. D. metabolically inert. 25. A phage that replicates inside the host cell and then lyses its host during its release is a A. virulent or lytic phage. B. latent phage. C. lysogenic phage. D. dormant phage B. when integrated into host DNA, the phage DNA is called a prophage C. lambda is a good example of a temperate phage D. All of the choices are correct 31. A temperate phage A. may be lysogenic. B. may be lytic. C. enters a lysogenic or lytic life cyele shortly after entering the host cell D, are all RNA viruses. E. may be lysogenic AND enters a lysogenic or lytic life cycle shortly after entering the host cell 26. Phages that can either replicate and cause cell lysis or can integrate their DNA into the host DNA are called A. lysogenic phages. B. lytic phages. C. virulent phages 32. Lysogenized cells A are immune to any further infection by any virus B. are immune to infection by the same virus. C. may have new properties. 27. Phage-encoded proteins are D. respond to infection with the SOS response. E. are immune to infection by the same virus A. coded for by host DNA B. coded for by phage DNA. AND may have new properties proteins normally present in the uninfected cell. 33. Enveloped viruses A. just require a stamp B. have an outer lipid bilayer membrane containing various proteins C. are surrounded by an additional layer of D. early proteins. E. coded for by phage DNA AND early proteins. 28. The replicative form of nucleic acid in filamentous phages is A. dsDNA D. envelope a cell. B. dsRNA. 34. The terms helical, icosahedral, and complex refer to C. positive sSRNA. D. negative ssDNA. A. viral life cycles B. forms of nucleic acid. 29. Which is a filamentous phage? A. M13. B. T4 C. Lambda D. TMV C. types of viral envelopes. D. shapes of viruses 30 Regarding phage replication, A. the majority of phages are temperate

Explanation / Answer

25. A. virluent or lytic phage

26. A. lysogentic phages

27. E. coded for the phage DNA and proteins

28. A. dsDNA

29. A. M13. Because these only effect E.coli and have pili

30. D. All of the above choices are correct.

31. E. may be be lysogenic AND enters a lysogenic or lytic life cycle shortly after entering the host cell.

32. E. are immune to infection by the same virus AND may have new properties.

33. B. have an outer lipid bilayer membrane containing various proteins.

34. D. Shapes of virus

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