A Human Cell Contains at Least 2 M of DNA,yet

question 39

Multiple Choice

A human cell contains at least 2 m of DNA,yet all of this DNA is packed into a nucleus that is about 6 μm in diameter.How is this accomplished? Select all that apply.

• A)DNA is wrapped around histone proteins giving it the appearance of a string of beads.
• B)DNA is folded into a zigzag structure.
• C)The DNA is coiled into radial loops.
• D)The DNA is cut at several locations and each section is loosely wrapped into a bead-like shape.

---

Definitions:

Serial Bonds

Bonds that mature at different dates, allowing the issuer to spread out the repayment over time.