Which of the Following Was Not Understood When Darwin Was

question 13

Multiple Choice

Which of the following was not understood when Darwin was developing his theory of evolution by natural selection?

• A)Surplus reproductive capacity of species.
• B)Variation among members of a species.
• C)Differential reproductive success.
• D)Mutations (changes in DNA).

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Definitions:

Proton-decoupled

A technique in NMR spectroscopy where the interaction between protons is removed or decoupled, simplifying the spectrum and focusing on other interactions.

NMR Spectrum

A representation of the nuclear magnetic resonance of a molecule, providing detailed information about the structure, dynamics, reaction state, and chemical environment of molecules.

Signals

In spectroscopy, indications or peaks that represent the interaction of energy with matter, used to identify or quantify materials.

Bromochlorobenzoic Acid

A halogenated derivative of benzoic acid where both a bromine and chlorine atom are attached to the benzene ring, used in various chemical syntheses.