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Which of the following correctly lists the levels of compaction in eukaryotes from naked DNA to the most compact?
a. solenoid, nucleosome, looped chromatin (300-nm fiber), metaphase chromosome
b. solenoid, metaphase chromosome, nucleosome, looped chromatin (300-nm fiber)
c. metaphase chromosome, nucleosome, solenoid, looped chromatin (300-nm fiber)
d. nucleosome, solenoid, looped chromatin (300-nm fiber), metaphase chromosome
e. nucleosome, looped chromatin (300-nm fiber), metaphase chromosome, solenoid

Respuesta :

Answer:

The level of compaction in Eukaryotes from naked DNA to the most compact is:

d. nucleosome, solenoid, looped chromatin (300-nm fiber), metaphase chromosome

Explanation:

As we know that the

  • Diameter of  DNA is 2 nm.
  • Diameter of nucleosome is 11 nm.
  • Diameter of solenoid is 30 nm.
  • Diameter of looped chromation is 300 nm
  • Diameter of meta-phase chromosome is 1400 nm

All of these facts depict that the the least compact is DNA and most compact is meta-phase chromosome.  

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