Biology: Reproductive System and Cell Division Quiz
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Questions and Answers

Which phase of mitosis involves the separation of sister chromatids?

  • Telophase
  • Metaphase
  • Anaphase (correct)
  • Prophase

What is the role of Leydig cells?

  • Synthesize testosterone hormone (correct)
  • Synthesize estrogen hormone
  • Produce mature eggs
  • Facilitate chromosome condensation

What is the specific function of ZP3 in the binding of sperm to the zona pellucida?

  • Act as a receptor for species-specific sperm binding (correct)
  • Facilitate chromosome condensation
  • Trigger the production of mature eggs
  • Initiate double strand breaks repair

Which is NOT a characteristic of the cell theory?

<p>Cells can only divide by meiosis (C)</p> Signup and view all the answers

What happens to the corpus luteum when the egg is not fertilized?

<p>It degenerates to form corpus albicans (A)</p> Signup and view all the answers

What are the main chemical elements found in biological molecules?

<p>Hydrogen, carbon, oxygen, nitrogen (A)</p> Signup and view all the answers

During the process of meiosis, what is the role of chiasmata?

<p>They hold together homologous chromosomes during crossing-over (B)</p> Signup and view all the answers

Which phase of mitosis is most similar to the events that occur during meiosis II?

<p>Anaphase (B)</p> Signup and view all the answers

What is the significance of double-strand break repair in the context of DNA integrity?

<p>It prevents chromosomal abnormalities (D)</p> Signup and view all the answers

How do human gametes differ from other body cells?

<p>They contain a haploid set of chromosomes (C)</p> Signup and view all the answers

Which hormone plays a key role in triggering ovulation during the menstrual cycle?

<p>Luteinizing hormone (LH) (C)</p> Signup and view all the answers

How does chromosome condensation contribute to cell division processes?

<p>It helps in maintaining chromosome integrity during mitosis (B)</p> Signup and view all the answers

Which process involves the repair of double-strand breaks in DNA?

<p>Mismatch repair (A)</p> Signup and view all the answers

In human genes, what element is found in all potential core promoters?

<p>TATA boxes (A)</p> Signup and view all the answers

During which phase of mitosis does chromosome condensation occur?

<p>Prophase (A)</p> Signup and view all the answers

Which hormone is predominantly involved in the menstrual cycle?

<p>Estrogen (D)</p> Signup and view all the answers

What is the effect of reversing the meiotic strategy of spermatogenesis and oogenesis in mammals?

<p>Sperm production would decrease to one-fourth (D)</p> Signup and view all the answers

Which cellular process is responsible for the optimum temperature requirement for sperm production in male mammals?

<p>Transcription (C)</p> Signup and view all the answers

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