Which of the Following Statements About Sperm Entry Is True

question 31

Multiple Choice

Which of the following statements about sperm entry is true?

• A) The fertilization cone formed by microvilli of the egg membrane contracts and draws the sperm inward.
• B) The egg phagocytizes the acrosome of the sperm so it can enter the cell.
• C) The cilia on the egg membrane beat and sweep the sperm inside.
• D) The sperm releases calcium ions, which make the egg membrane permeable to its entry.
• E) The egg secretes bindin protein, which allows sperm penetration.

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Definitions:

Rhythmic Vibrations

Vibrations occurring at regular intervals, often signaling an underlying problem in mechanical systems.

Irregular Vibrations

Vibrations that occur in a mechanical system at unpredictable intervals and frequencies, often indicating a malfunction or imbalance.

Air Spring

A component used in vehicle suspension systems that uses air pressure to provide damping and support, typically resulting in smoother ride quality.

Longitudinal Forces

Forces that act along the length of a vehicle or structure, impacting its motion and stability, often related to acceleration and braking.