Contact of a Sea Urchin Egg with Signal Molecules on Sperm

question 29

Multiple Choice

Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief

• A) mitosis.
• B) membrane depolarization.
• C) apoptosis.
• D) vitellogenesis.
• E) acrosomal reaction.

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Definitions:

Amygdala

A region of the brain involved in experiencing emotions, particularly those related to survival such as fear and aggression.

Hippocampus

a part of the brain involved in the formation of new memories and is associated with learning and emotions.

Stereotype Threat

The risk of confirming negative stereotypes about one's group, which can have a detrimental effect on performance and behavior.

Stereotype Lift

A phenomenon wherein individuals from non-stereotyped groups perform better in situations where their counterparts are negatively stereotyped.