What Is the First Step in the General Mechanism for Nucleophilic

question 26

Multiple Choice

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

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

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Definitions:

Anterior Pituitary

The front portion of the pituitary gland that secretes hormones affecting growth, metabolism, and reproductive functions.

Adrenal Glands

Endocrine glands located above the kidneys that produce hormones such as adrenaline and cortisol, involved in stress responses.

Pancreas

A glandular organ in the digestive system and endocrine system which secretes digestive enzymes and hormones such as insulin.

Posterior Pituitary

An extension of the brain located at the base of the skull responsible for the secretion of hormones like oxytocin and vasopressin.