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Basis of Molecular Inheritance
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Basis of Molecular Inheritance
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25 Questions

1. During replication of a bacterial chromosome DNA synthesis starts from a replication origin site and [2004]
2. Three codons causing chain termination are [1997]
3. Experimental material in the study of DNA replication has been [1992]
4. What is not true for genetic code? [2009]
5. When a cluster of genes show linkage behaviour they [2003]
6. The process of translation is [1993]
7. Protein synthesis occurs [2000]
8. Which one of the following is not a part of a transcription unit in DNA? [2012]
9. Initiation codon of protein synthesis (in eucaryotes) is [1993 - 94 - 99 - 2000]
10. Satellite DNA is useful tool in: [2010]
11. Exon part of m- RNAs have code for [2002]
12. At time of organogenesis genes regulate the process at different levels and at different time due to [2001]
13. Molecular basis of organ differentiation depends on the modulation in transcription by [2007]
14. E.coli cells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because: [2005]
15. Semi-conservative replication of DNA was first demonstrated in: [2009]
16. The transforming principle of Pneumococus as found out by Avery - MacLeod and McCarty was
17. Haploids are more suitable for mutation studies than the diploids. This is because [2008]
18. Which one of the following does not follow the central dogma of molecular biology? [2010]
19. In transgenics - expression of transgene in target tissue is determined by [2004]
20. In E.coli during lactose metabolism repressor binds to [2002]
21. The Pneumococcus experiment proves that
22. The wild type E. coli cells are growing in normal medium with glucose. They are transferred to a medium containing only lactose as sugar. Which of the following changes takes place? [1995]
23. During development of an organism - the product of one gene is required to activate another gene. Such gene products are called
24. Because most of the amino acids are represented by more than one codon - the genetic code is [1993]
25. Genetic code consists of [1988]