A nucleoside consists of a nitrogenous base covalently attached to a sugar (ribose or deoxyribose) but without the phosphate group. Examples adenosine, thymidine etc.
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82.
What is meant by RNA and DNA?
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83.
What is the difference between ribose and deoxyribose?
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84.
What are different types of RNA found in the cell?
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85.
What type of bonds hold a DNA double helix together?
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86.
Where in the higher cells in the DNA molecules mainly located?
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87.
Name two purines bases in the nucleic acid.
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88.
Name the pyrimidine bases present in ribonucleic acid.
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89.
How many hydrogen bond are present between: (i) A and T (ii) C and G in a double helix structure?
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