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Name the components 'a' and 'b' in the n...

Name the components 'a' and 'b' in the nucleotide with a purine, given in the figure:

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(a) is phosphate, and (b) is a nitrogenous base
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TRUEMEN BIOLOGY ENGLISH-GENETICS AND EVOLUTION -SECTION-D
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  2. (a) Give reason for - (i) Both strands of DNA are not copied during ...

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  3. Study the following carefully and explain why mutation (A) did not cau...

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  4. One chromosome contains one molecule of DNA. In eukaryotes the length ...

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  5. With the advent of DNA technology tool is available to identify a crim...

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  6. (a) Explain Griffith's series of experiments where he witnessed transf...

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  7. Draw a labelled schematic structure of a transcription unit. Explain t...

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  8. A snapdragon plant homezygous for red flower when crossed with a whit...

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  9. Two blood samples A and B picked up from the crime scene were handed o...

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  10. How did Hershey and Chase proved that DNA is the hereditary material? ...

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  11. With the help of one example each provide genetic explanation for the ...

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  12. (i)How does a chromosomal disorder differ from a Mendelian disorder? ...

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  13. Explain the causes, inheritance pattern and symptoms of any two Mendel...

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  14. (a) Why is haemophilia generally observed in human males? Explain the ...

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  15. (a) State the central dogma in molecular biology. Who proposed it? Is ...

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  16. (a) Write what DNA replication refers to. (b) State the properties ...

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  17. Inheritance patterns of flower colour in garden pea plant and snap dra...

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  18. A child suffering from Thalassemia is born to a normal couple. But the...

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  19. a) Explain the mechanism of sex-determination in humans. b) Differen...

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  20. (a) Explain Mendel's law of independent assortment by taking a suitabl...

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  21. Stanley Miller performed an experiment by recreating in the lab the pr...

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