Referring to the Figure of Sperm Penetration and Fusion,match the Lettered

question 13

Multiple Choice

Referring to the figure of sperm penetration and fusion,match the lettered description with the correct numbered step in the figure.

A. Some of the zona pellucida is degraded by acrosomal enzymes.
B. Enzymes are released by cortical granules that harden the zona pellucida.
C. Sperm and egg fuse at the plasma membrane.
D. Sperm penetrates the corona radiata.
E. The sperm nucleus dissociates and enters the cytoplasm.
F. Additional sperm can no longer penetrate.

-Step VI

• A)Some of the zona pellucida is degraded by acrosomal enzymes.
• B)Enzymes are released by cortical granules that harden the zona pellucida.
• C)Sperm and egg fuse at the plasma membrane.
• D)Sperm penetrates the corona radiata.
• E)The sperm nucleus dissociates and enters the cytoplasm.
• F)Additional sperm can no longer penetrate.

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Definitions:

Tricyclic

An antidepressant drug such as imipramine that has three rings in its molecular structure.

Depression

A low, sad state marked by significant levels of sadness, lack of energy, low self-worth, guilt, or related symptoms.

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Conditions or situations in relationships between individuals that can lead to conflict or distress.

Depression

A mood disorder that causes a persistent feeling of sadness and loss of interest, affecting how you feel, think, and handle daily activities.