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Questions and Answers
What is the key mechanism that contributes to fertility regulation in humans according to the text?
What is the key mechanism that contributes to fertility regulation in humans according to the text?
- High temperatures induce apoptosis in Leydig cells via the temperature-sensitive ion channel Trpv4
- Loss of the RNA PolII pausing factor NELF leads to meiotic arrest, affecting gene expression dynamics
- Primordial germ cells multiply and differentiate into oogonia during fetal development
- Reduced androgen signaling enhances genome integrity through innate immune responses (correct)
What is the approximate number of primary oocytes a female is born with according to the text?
What is the approximate number of primary oocytes a female is born with according to the text?
- Around 400,000 (correct)
- Around 4,000
- Around 4,000,000
- Around 40,000
Which of the following is a key stage in the process of oogenesis described in the text?
Which of the following is a key stage in the process of oogenesis described in the text?
- Primordial germ cells multiply and differentiate into oogonia
- Oogonia transform into primary oocytes
- Primary oocytes remain dormant until puberty
- All of the above (correct)
What is the impact of maternal age on oogenesis according to the text?
What is the impact of maternal age on oogenesis according to the text?
What is the role of RNA synthesis during oogenesis?
What is the role of RNA synthesis during oogenesis?
What is the primary function of the somatic cells in the testis during spermatogenesis?
What is the primary function of the somatic cells in the testis during spermatogenesis?
Which hormone is responsible for stimulating the anterior pituitary gland to release follicle-stimulating hormone (FSH) and luteinizing hormone (LH)?
Which hormone is responsible for stimulating the anterior pituitary gland to release follicle-stimulating hormone (FSH) and luteinizing hormone (LH)?
What is the primary role of the sperm-specific histone H1 in the highly condensed sperm nuclei of Sargassum horneri?
What is the primary role of the sperm-specific histone H1 in the highly condensed sperm nuclei of Sargassum horneri?
What is the significance of RNA Polymerase II (PolII) pausing during spermatogenesis?
What is the significance of RNA Polymerase II (PolII) pausing during spermatogenesis?
Which of the following is a key stage in the development of male germ cells during spermatogenesis?
Which of the following is a key stage in the development of male germ cells during spermatogenesis?
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