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Question
When DNA is formed from RNA it is called
When DNA is formed from RNA it is called
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Solution
The correct option is C cDNA
The DNA synthesized using RNA template is known as cDNA or complementary DNA; reverse transcriptase catalyzes this process. DNA can occur in different three-dimensional structures which are namely B-DNA, A-DNA and Z-DNA. The A-DNA is arranged in a right-handed double helix, but the helix is 26˚A wider and the number of base pairs per helical turn is 11. The plane of the base pairs in A-DNA is tilted about 20 degrees with respect to the helix axis. The Z-DNA is arranged in a left-handed double helix, but the helix is 18˚A wider and the number of base pairs per helical turn is 12. The plane of the base pairs in Z-DNA is tilted about 7 degrees with respect to the helix axis. The D-DNA is comparatively recently discovered form of DNA which is supposed to be a 7 or 8 fold structure. The correct answer is C.
The DNA synthesized using RNA template is known as cDNA or complementary DNA; reverse transcriptase catalyzes this process. DNA can occur in different three-dimensional structures which are namely B-DNA, A-DNA and Z-DNA. The A-DNA is arranged in a right-handed double helix, but the helix is 26˚A wider and the number of base pairs per helical turn is 11. The plane of the base pairs in A-DNA is tilted about 20 degrees with respect to the helix axis. The Z-DNA is arranged in a left-handed double helix, but the helix is 18˚A wider and the number of base pairs per helical turn is 12. The plane of the base pairs in Z-DNA is tilted about 7 degrees with respect to the helix axis. The D-DNA is comparatively recently discovered form of DNA which is supposed to be a 7 or 8 fold structure. The correct answer is C.
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