Since Watson and Crick Described the Structure of DNA in 1953,which

question 44

Multiple Choice

Since Watson and Crick described the structure of DNA in 1953,which of the following statements might best explain why the function of small RNAs is still being explained?

• A)As RNAs have evolved since that time,they have taken on new functions.
• B)Watson and Crick described DNA but did not predict any function for RNA.
• C)The functions of small RNAs could not be approached until the entire human genome was sequenced.
• D)Changes in technology as well as our ability to determine how much of the DNA is expressed have now made this possible.

---

Definitions:

Insufficient Strength

A lack of adequate power or capability to produce a desired effect or outcome.

Staged Manipulation

A research method where conditions are deliberately created or modified by the researcher to observe their effect on behavior.

Straightforward Manipulations

Direct, clear changes made to the independent variable without the use of deception or complicated procedures.

Psychological State

A person's current mental and emotional condition.