The Apical Ectodermal Ridge

question 28

Multiple Choice

The apical ectodermal ridge

• A)forms at the proximal end of each limb bud.
• B)plays a role in differentiation and elongation of the limb.
• C)ossifies prior to formation of the hand and foot plates.
• D)must undergo apoptosis before the limb can develop.
• E)secretes mesoderm for muscle formation.

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Definitions:

Behavior Feedback Effect

describes how the expression of a behavior can influence and reinforce the feelings and attitudes associated with that behavior.

Facial Feedback Effect

The hypothesis that facial movements can influence emotional experiences, suggesting that smiling can make you feel happier.

Self-Reported Emotions

Emotions that individuals acknowledge and describe about themselves, typically through verbal or written reports.

Facial Expressions

Visible changes in the face that communicate someone's emotions to others.