Podcast
Questions and Answers
During the G2/M checkpoint, what is the main function of the activated MPF?
During the G2/M checkpoint, what is the main function of the activated MPF?
- Check alignment of chromosomes on the metaphase plate
- Initiate cell division (correct)
- Trigger apoptosis if DNA is damaged
- Ensure proper DNA replication
Which of the following is a common reason for cells to be unable to progress past the G2/M checkpoint?
Which of the following is a common reason for cells to be unable to progress past the G2/M checkpoint?
- Lack of mitogens in the external environment
- Improper alignment of chromosomes
- Insufficient nutrition for the cell
- Presence of damaged DNA (correct)
What is the role of mitogens in the cell cycle process?
What is the role of mitogens in the cell cycle process?
- Induce apoptosis in damaged cells
- Ensure proper alignment of chromosomes
- Signal cells to divide (correct)
- Activate caspases for cell death
Which checkpoint ensures that all chromosomes are aligned and attached to the mitotic spindle before proceeding to anaphase?
Which checkpoint ensures that all chromosomes are aligned and attached to the mitotic spindle before proceeding to anaphase?
What is the main function of mitosis in the cell cycle?
What is the main function of mitosis in the cell cycle?
In a eukaryotic cell, what initiates progression past the G1/S checkpoint?
In a eukaryotic cell, what initiates progression past the G1/S checkpoint?
What is the primary function of mitogens in the regulation of cell proliferation?
What is the primary function of mitogens in the regulation of cell proliferation?
During which phase of the cell cycle is the G2/M checkpoint primarily active?
During which phase of the cell cycle is the G2/M checkpoint primarily active?
What is the primary function of the spindle checkpoint during mitosis?
What is the primary function of the spindle checkpoint during mitosis?
What is the unique characteristic of meiosis that distinguishes it from mitosis?
What is the unique characteristic of meiosis that distinguishes it from mitosis?
Which of the following is NOT a characteristic of cells that do not divide at all once mature?
Which of the following is NOT a characteristic of cells that do not divide at all once mature?
Which factor specifically drives the cell cycle and leads to proliferation?
Which factor specifically drives the cell cycle and leads to proliferation?
Which checkpoint regulates the entry into the mitotic phase and ensures accurate chromosome segregation?
Which checkpoint regulates the entry into the mitotic phase and ensures accurate chromosome segregation?
Which checkpoint regulates the entry into the DNA synthesis phase during the cell cycle?
Which checkpoint regulates the entry into the DNA synthesis phase during the cell cycle?
Which process produces haploid cells for sexual reproduction?
Which process produces haploid cells for sexual reproduction?
Which family of enzymes plays a crucial role in the proteolytic cascade during apoptosis?
Which family of enzymes plays a crucial role in the proteolytic cascade during apoptosis?
Which phase of the cell cycle is associated with the G2/M checkpoint?
Which phase of the cell cycle is associated with the G2/M checkpoint?
