Length of one loop of B-DNA (a) 3.4 nm (b) 0.34 nm (c) 20 nm (d) 10 nm

Length of one loop of B-DNA
(a) 3.4 nm (b) 0.34 nm
(c) 20 nm (d) 10 nm
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1 Answer

Answer :

a) 3.4 nm
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Related questions

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

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Last Answer : (b) 2.5 meters

If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately (a) 2.0 meters (b) 2.5 meters (c) 2.2 meters (d) 2.7 meters.

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One turn of the helix in a B-form DNA is approximately (a) 2 nm (b) 20 nm (c) 0.34 nm (d) 3.4 nm.

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Last Answer : ) 3.4 nm.

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