In Sea Urchins, the "Fast Block" and the Longer Lasting

question 50

Multiple Choice

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

• A) the acrosomal reaction and the formation of egg white
• B) the cortical reaction and the formation of yolk protein
• C) the jelly coat of the egg and the vitelline membrane
• D) membrane depolarization and the cortical reaction

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Definitions:

Amitriptyline

A tricyclic antidepressant used to treat depression and certain types of chronic pain, demonstrating effectiveness in altering mood and emotional response.

Fluoxetine

A prescription medication commonly used to treat major depressive disorder, obsessive-compulsive disorder, bulimia nervosa, and panic disorder; also known by its brand name Prozac.

Tranylcypromine Sulfate

A medication used primarily to treat major depressive disorder by inhibiting the breakdown of monoamine neurotransmitters, thereby increasing their levels.

Suicide Risk

The likelihood or propensity of an individual to attempt or commit suicide.