The Watson and Crick Model of a Double-Helical Structure for DNA

question 26

Multiple Choice

The Watson and Crick model of a double-helical structure for DNA was based,in part,on evidence from

• A)NMR (nuclear magnetic resonance)spectroscopy.
• B)IR (infrared)spectroscopy.
• C)atomic force microscopy.
• D)electron microscopy.
• E)X-ray diffraction .

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Definitions:

Modality-independent

Pertaining to properties or phenomena that apply across different modes or systems without being limited to any specific one.

Human Language

A system of communication using vocal sounds, gestures, or written symbols that is organized and capable of expressing an infinite number of ideas or feelings.

Symbolized Categorical Statement

A statement in logic that classifies a relationship between categories, represented with symbols.

Categorical

Pertaining to categories or classification, often used in logic to describe statements that assert or deny something about all members of a category.