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ENTRANCE TEST – 2009 Multiple Questions and Answers.
| 16. | The reaction between the phosphate group of one nucleotide and hydroxyl group of another is a ______ synthesis in DNA molecule. | ||
| A. | Dehydration | ||
| B. | Rehydration | ||
| C. | Oxidation | ||
| D. | Reduction | ||
| 17. | Enzyme which attaches the Okazaki fragments in lagging strand is called: | ||
| A. | Restriction endonuclease | ||
| B. | Primase | ||
| C. | DNA helicase | ||
| D. | DNA ligase | ||
| 18. | In phenylketonuria, phenylalanine is not degraded because of defective enzyme | ||
| A. | Phenylalanine hydrogenase | ||
| B. | Phenylalanine phosphate | ||
| C. | Phenylalanine oxidase | ||
| D. | None of these | ||
| 19. | Males with XXY chromosomes suffer from: | ||
| A. | Klinefelter’s Syndrome | ||
| B. | Jacob’s Syndrome | ||
| C. | Down’s Syndrome | ||
| D. | Edward’s Syndrome | ||
| 20. | Internal program of events and sequences of morphological changes by which cell commit a suicide is collectively called: | ||
| A. | Necrosis | ||
| B. | Epistasis | ||
| C. | Metastasis | ||
| D. | Apoptosis | ||
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