Answered: Calculate the average number of…

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Biology

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

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter28: Dna Metabolism: Replication, Recombination, And Repair

Section: Chapter Questions

Problem 6P: Number of Okazaki Fragments in E. coli and Human DNA Replication Approximately how many Okazaki...

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Question

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.

Definition Definition A complex molecule that makes up a fundamental unit of a DNA or RNA molecule. Nucleotides are composed of a sugar, a nitrogenous base, and a phosphoric acid.

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Follow-up Question

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
В
Br
Br
В
Br
Br
G
Br
OH
5'
3'
R

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Recall the DNA’s three-dimensional model. The DNA is a right-handed helix wherein onecomplete 360 0 turn covers a distance of 34 angstroms (Å) or 3.4 nm and 10 base pairs. As a result, thebase pairs are separated by a distance of approximately 3.4 Å. The diameter of the Watson and CrickDNA molecule is 20 Å.Calculate the average number of nucleotide pairs (or base pairs) per micrometer of DNA doublehelix according to the dimension mentioned above. Round off your answer to the nearest wholenumber. Note also that 1 micrometer = 10,000 angstroms.
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