37_pdfsam_apluspreptt1pkg - 2. Angular velocity is...

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2. Angular velocity is proportional to rotation per minute 3. Sedimentation coefficient becomes larger in honey than in water 4. In Rate Zonal Centrifugation, density gradient of sucrose or glycerol solution is used to separate viruses based upon their sedimentation coefficient 5. In Equilibrium Centrifugation, if viruses are centrifuged for a long time, all viruses eventually reach the bottom of the test tube Select the best answer: A. None of the above B. All of the above C. 1, 2, 3 D. 4 E. 3, 5 32. Which of the following statement(s) is/are true about Caulimoviruses? 1. Both Hepatitis B virus and Caulimoviruses are DNA viruses and use reverse transcriptases for replication 2. Aphid transmission gene of Cauliflower Mosaic Virus (CaMV) is not essential for infectivity by mechanical inoculation, and thus often taken out in genetic engineering 3. Reverse transcriptase of CaMV, which is a lousy polymerase that makes a lot of mistakes in replication, requires lysine tRNA as a primer 4. 35S promoters are only expressed in leaves and stems
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