Question

Which of the following is the best order of sequential, increasing condensation (packing) of DNA

• A. Nucleosomes -> solenoid -> 30 nm fiber -> Loops on scaffold -> heterochromatin
• B. Euchromatin -> solenoid -> 30 nm fiber -> nucleosomes
• C. Nucleosomes -> 30 nm fibers -> euchromatin -> heterochromatin
• D. Nucleosomes -> 30 nm fibers -> solenoid -> Loops on scaffold

Answer 1

Answer: (A)

Nucleosomes -> solenoid -> 30 nm fiber -> Loops on scaffold -> heterochromatin