Caroline Holds Her Newborn Baby in Her Arms and Watches

question 27

Multiple Choice

Caroline holds her newborn baby in her arms and watches as the baby gazes at her. The baby seems to be staring at a spot on Caroline's forehead. She wonders what is so interesting about her forehead. What explanation can you give for this?

• A) Babies tend to gaze at the eyes and mouth of a face.
• B) Babies recognize an inner eye just above the eyebrows.
• C) Babies tend to focus attention on borders and contours; the hairline is a type of border.
• D) Babies are looking for a sign of contentment on the mother's face which is expressed on the forehead.

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Definitions:

Carbanion

A negatively charged ion (anion) of carbon that carries a lone pair of electrons, making it extremely reactive in organic reactions.

Hydride Shift

A rearrangement reaction where a hydride ion (H-) moves from one carbon atom to another within a molecule.

Methyl Shift

A rearrangement reaction where a methyl group in a molecule moves from one carbon atom to an adjacent carbon.

Zaitsev's Rule

A rule in organic chemistry that predicts the more substituted alkene as the major product in elimination reactions.