Calculate the average number of nucleotide pairs (or base pairs) per micrometer of DNA double helix

Human Anatomy & Physiology (11th Edition)
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ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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Recall the DNA’s three-dimensional model. The DNA is a right-handed helix wherein one complete 3600 turn covers a distance of 34 angstroms (Å) or 3.4 nm and 10 base pairs. As a result, the base pairs are separated by a distance of approximately 3.4 Å. The diameter of the Watson and Crick DNA molecule is 20 Å.
Calculate the average number of nucleotide pairs (or base pairs) per micrometer of DNA double helix according to the dimension mentioned above. Round off your answer to the nearest whole number. Note also that 1 micrometer = 10,000 angstroms.

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Considering the number of base pairs, compute for the actual length (in micrometers) of this DNA model

3'
5'
OH
Br
R
G
Br
Br
G
Br
Br
В
Br
Br
R
G
Br
Br
P
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Br
Br
В
Br
Br
G
Br
OH
5'
3'
R
Transcribed Image Text:3' 5' OH Br R G Br Br G Br Br В Br Br R G Br Br P В Br Br В Br Br G Br OH 5' 3' R
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