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The genome of a species consists of 3x 106 bp of B-DNA.

a. How many phosphorus atoms are found in the double helix?

b. How many turns are present in the double-helix?

c. What is the length ofthe DNA in mm?

Please explain!

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Collen Von
Collen VonLv2
28 Sep 2019

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Related questions

Q1. One strand of a double stranded DNA moleculecontains 30% A, 20% C, 10%G, and 40% T. What are the percentages ofthe four bases in the entire molecule?

.

.

Q2. The genome of a particular organismconsists of 3x108 bp of DNA.

a. How many phosphorus atoms are found in the doublehelix?

b. How many nucleosomes will be present in thisDNA?

c. What is the length of the DNA inmicrometers?

5. Linking number: Linking number has understood units of “turns”,i.e., if Lk = 20, that means 20 turns in that double helix. (SeeLehninger Principles, 5th ed., pp. 956-957 for moreunderstanding.)

A. Relaxed B-form DNA has 10.5 bp per turn. Suppose you have a 4620bp molecule of closed circular double-stranded plasmid DNA in itsrelaxed form. What is the linking number of that DNA?

B. Suppose you have a 4620 bp molecule of closed circular DNA witha linking number (Lk) of 420.
1) How many bp per turn does that molecule have?
(please show your work)

A DNA double helix molecule that is 100 base pairs long has a GC content of 30%. How many hydrogen bonds are present in this double helix?
A) 30
B) 70

C) 100

D) 115

E) 230

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