Dental Admissions Test (DAT) Practice Test

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Prepare for the Dental Admissions Test (DAT) with our comprehensive practice test. Study effectively with flashcards and multiple-choice questions, each with detailed hints and explanations. Get ready to ace your exam and secure your future in dentistry!

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Where do sperm cells bind during human fertilization?

  1. Endoplasmic reticulum

  2. Golgi apparatus

  3. Nucleus

  4. Zona Pellucida

The correct answer is: Zona Pellucida

During human fertilization, sperm cells bind to the zona pellucida, which is the thick protective layer surrounding the oocyte (egg cell). Option A, the endoplasmic reticulum, is a cellular organelle responsible for protein and lipid synthesis, and has no direct role in fertilization. Option B, the Golgi apparatus, is responsible for modifying, sorting, and packaging proteins and has no direct role in fertilization. Option C, the nucleus, is the control center of the cell and contains genetic material, but it is not directly involved in fertilization. Therefore, option D, the zona pellucida, is the correct answer.

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