Watson and Crick Discovered There Were Only Four in DNA

question 42

Multiple Choice

Watson and Crick discovered there were only four in DNA strands, no matter what the species.

• A) bases
• B) proteins
• C) molecules
• D) amino acid

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Definitions:

Sensitivity

The degree to which a system or a measurement responds to a change in a given variable, commonly used in contexts ranging from scientific instruments to personal perception.

Proton Spin Decoupled

A technique in NMR spectroscopy where the interaction between proton spins is removed to simplify the spectrum.

Carbonyl Carbon

The carbon atom that is part of the carbonyl group (C=O), key in various organic compounds like ketones and aldehydes.

Ppm Range

Stands for "parts per million," a unit of concentration that denotes the number of parts of a substance in a million parts of a different substance, often used in chemistry.