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Interphase exam

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Termini in questo insieme (29)

  • Interphase
    The longest phase of the cell cycle, consisting of G1, S, and G2 subphases.
  • G1 Phase
    The first subphase of interphase where cells grow and perform normal functions.
  • What happens during the S phase?
    DNA synthesis occurs, resulting in replicated chromosomes and centrosomes.
  • G2 Phase
    The subphase of interphase where the cell continues to grow and prepares for mitosis.
  • G0 Phase
    A non-dividing state where cells do not commit to division.
  • Centrosome
    A cytoplasmic protein complex that organizes the mitotic spindle.
  • What is the role of the mitotic spindle?
    It is crucial for chromosome separation during mitosis.
  • What does the G in G1 and G2 stand for?
    Growth
  • What is synthesized during the S phase?
    DNA and centrosomes
  • What is the main activity in the G1 phase?
    Cell growth and performing normal functions
  • What happens if a cell does not commit to division?
    It enters the G0 phase.
  • What is the centromere?
    The waist position of a replicated chromosome where the two sister chromatids come together.
  • What is the difference between the centrosome and the centromere?
    The centrosome organizes the mitotic spindle, while the centromere is the waist position of a chromosome.
  • What is the main function of the G2 phase?
    Preparing for mitosis by continuing growth and producing new proteins.
  • What is the mitotic spindle made of?
    Microtubule proteins of the cytoskeleton.
  • What happens to the centrosome during the S phase?
    It gets replicated.
  • What is the significance of the G0 phase?
    It is a phase where cells are in a non-dividing state, either temporarily or permanently.
  • What is the main characteristic of the S phase?
    DNA replication
  • What is the role of the centrosome in mitosis?
    It forms the mitotic spindle, which is essential for chromosome separation.
  • What happens to the cell size during interphase?
    The cell grows significantly larger.
  • What is the main event in the G1 phase?
    Cell growth and normal function performance.
  • What is the purpose of the G2 phase?
    To prepare the cell for mitosis by producing necessary proteins.
  • What is the function of the mitotic spindle?
    To coordinate the division of chromosomes during mitosis.
  • What does the S in S phase stand for?
    Synthesis
  • What is the main activity in the G2 phase?
    Continued growth and preparation for mitosis.
  • What happens to chromosomes during the S phase?
    They are replicated, resulting in two sister chromatids.
  • What is the role of centrosomes in cell division?
    They organize the mitotic spindle, which is crucial for chromosome separation.
  • What is the main function of the G0 phase?
    To keep the cell in a non-dividing state.
  • What is the significance of the G1 phase?
    It is the phase where the cell grows and performs its normal functions.