Which Discovery Was Determined About DNA from X-Ray Diffraction Data

question 15

Multiple Choice

Which discovery was determined about DNA from x-ray diffraction data?  

• A) DNA is uniform in length.
• B) DNA is short and narrow.
• C) DNA has a repeating pattern.
• D) DNA molecules are flat.
• E) DNA molecules are round.

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Definitions:

Tolman's Model

A cognitive theory of learning that emphasizes the role of mental processes and latent learning, proposing that organisms create cognitive maps of their environment.

Hull's Model

A theory proposed by Clark Hull that describes behavior as the outcome of internal drives, environmental stimuli, and reinforcement.

Reward

A positive consequence or incentive that increases the likelihood of a behavior being repeated.

Drive Reduction

A theory in psychology suggesting that behaviors are motivated by the desire to reduce internal drives such as hunger or thirst.