Experiments Using Temperature-Sensitive Mutants of RSV to Infect Chicken Embryo

question 2

Multiple Choice

Experiments using temperature-sensitive mutants of RSV to infect chicken embryo fibroblasts demonstrated that

• A)Infection with RSV is necessary to initiate transformation of these cells,but the RSV genome is not needed to maintain the transformed state.
• B)The RSV transforming gene is necessary for both the initiation and maintenance of transformation in these cells.
• C)Infection with RSV alone is unable to transform these cells.
• D)Cells infected with RSV continue to exhibit normal cellular morphology.
• E)None of the above.

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