Why Is the S-Trans Form of an Amide Bond More

question 42

Multiple Choice

Why is the s-trans form of an amide bond more stable?

• A)There is no s-cis form in an amide bond.
• B)The oxygen is hydrogen-bonded with the nitrogen atom.
• C)The nitrogen is able to be sp²-hybridized.
• D)The more sterically bulky groups are farther apart.

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Definitions:

Phylogeny

The evolutionary history and relationship among species or groups of organisms, often illustrated as a tree-like diagram showing divergent lines of descent.

Ecdysozoans

A major group of invertebrate animals including arthropods and nematodes, defined by their shared trait of molting an exoskeleton (ecdysis).

Unique Adaptation

A distinctive or specialized feature, structure, or behavior developed by an organism to improve its chances of survival and reproduction in its environment.

Insects

A class of arthropods, characterized by a three-part body (head, thorax, abdomen), three pairs of legs, compound eyes, and two antennae.