11-28-06 BIMM100 Assign8p

11-28-06 BIMM100 Assign8p - Homework Assignment #8 1....

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1 Homework Assignment #8 1. Viruses cannot reproduce by themselves and must use a host cell’s machinery to replicate. What general host cell machinery is required by all viruses? a. List and describe the 5 general stages of viral replication and proliferation. b. Fill in the blanks. In the _________ growth cycle, some bacterial viruses integrate their DNA into the host-cell chromosome, which gets replicated as part of the cell’s own DNA. Under certain conditions, the virus can switch to the - _________ growth cycle, where viral proteins and replicated genomes assemble to form progeny virions that are released to infect other cells. The genome of a _________ type virus consists of RNA that is copied by the viral enzyme _________ into DNA that can be integrated into the host’s chromosomal DNA. Some retroviruses, such as Rous sarcoma virus, carry cancer-causing genes, or _________ , that can transform a normal cell into a tumor cell. c. A number of methods, such as the ELISA or western blot, have been used to detect HIV antigens in blood samples. Given that you know the genome sequence of a specific strain of HIV, describe an assay you could use to
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11-28-06 BIMM100 Assign8p - Homework Assignment #8 1....

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