Fertilization Process: From Sperm to Zygote
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Fertilization Process: From Sperm to Zygote

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Questions and Answers

What is the primary mechanism by which millions of sperm are killed during fertilization?

  • Thick cervical mucus
  • Phagocytic leukocytes
  • Acidity (correct)
  • Immunological response

    • What is the term for the process by which the sperm prepares for fertilization, involving the thinning of the membrane over the head?

  • Acrosomal reaction
  • Meiosis
  • Fertilization
  • Capacitation (correct)

    • What is the function of the proteins released during the acrosomal reaction?

  • To stimulate the fusion of sperm and oocyte nuclei
  • To release enzymes to penetrate the corona radiata and zona pellucida (correct)
  • To prevent polyspermy
  • To facilitate the binding of sperm to the zona pellucida

    • What is the term for the period of development during which the zygote undergoes meiosis and the polar body is ejected?

    <p>Pre-embryonic stage</p> Signup and view all the answers

    What is the term for the condition in which the placenta covers the opening of the cervix?

    <p>Placenta previa</p> Signup and view all the answers

    What is the average time it takes for the fertilized egg to reach the uterus?

    <p>1-2 days</p> Signup and view all the answers

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