From the List Below Select the Structural Properties of DNA

question 119

Multiple Choice

From the list below select the structural properties of DNA that were known by scientists, prior to the contributions of Chargaff, Franklin, Watson, and Crick. (Check all that apply.)

• A) The scientists knew that DNA was composed of nucleotides.
• B) The scientists knew that nucleotides contained nitrogen-containing bases.
• C) The scientists knew that there were four nucleotides: adenine, guanine, cytosine, and thymine.
• D) The scientist knew that complementary nucleotides were held together by hydrogen bonds.

---

Definitions:

Unusual Events

Occurrences that deviate from what is standard, normal, or expected, often eliciting curiosity or concern.

Dating Frequency

A term that refers to how often a person goes on dates or engages in romantic outings with potential partners.

Physical Attractiveness

How much a person's physical attributes are viewed as beautiful or aesthetically pleasing by others.

Causal Influence

Refers to how one variable directly affects another in a cause-and-effect relationship.