What Is the First Step in the General Mechanism for Nucleophilic

question 8

Multiple Choice

What is the first step in the general mechanism for nucleophilic acyl substitution?

• A) Protonation of the carbonyl
• B) Removal of an  -proton
• C) Addition of the nucleophile to the carbonyl
• D) Loss of the leaving group

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Trophic Level

The position an organism occupies in a food chain, determined by its feeding relationships.

Bacteria

Single-celled organisms that can exist either as independent (free-living) entities or as parasites (dependent upon another organism for life).

Vectors

Organisms, such as mosquitoes or ticks, that transmit pathogens between humans or from animals to humans.

Allergic Reaction

An immune system response to a foreign substance that's not typically harmful to the body, such as pollen, food, or pet dander.