Franklin and Wilkins Analyzed DNA by Bombarding DNA Crystals with X-

question 39

Multiple Choice

Franklin and Wilkins analyzed DNA by bombarding DNA crystals with X- rays. Their analysis yielded two numbers that sparked interest, 3.4 nm and 0.34 nm. What is the significance of these numbers?

• A) These numbers tell us there are 10 rungs, or steps, on the DNA "ladder" for every turn of the helix.
• B) DNA molecules are 3.4 nm long and 0.34 nm wide.
• C) The 10- to- 1 ratio signifies that DNA molecules are ten times longer than they are wide.
• D) It turned out to be just a coincidence.
• E) The width of a DNA molecule is 3.4 nm, whereas the width of a nucleotide monomer is 0.34m.

---

Definitions:

Cyberbullying

The use of digital technologies to harass, threaten, or embarrass individuals, often anonymously.

Direct

Straightforward or without intermediary; moving or extending from one point to another without deviation or interruption.

Indirect

Pertains to actions, communication, or methods that are not straightforward or direct, often involving intermediate steps or implications.

Non-work Domain

Aspects of an individual's life and identity that are unrelated to their job or career, including family, hobbies, and personal interests.