Podcast
Questions and Answers
Which phase of the cell cycle is characterized by DNA replication?
Which phase of the cell cycle is characterized by DNA replication?
- G1 phase
- S phase (correct)
- M phase
- G2 phase
Which type of cells divide frequently throughout life?
Which type of cells divide frequently throughout life?
- Skin cells (correct)
- Muscle cells
- Liver cells
- Mature nerve cells
Which phase of the cell cycle do mature nerve cells and muscle cells enter into and do not divide at all?
Which phase of the cell cycle do mature nerve cells and muscle cells enter into and do not divide at all?
- G0 phase (correct)
- M phase
- S phase
- G1 phase
Which phase of the cell cycle is characterized by cell growth and preparation for DNA replication?
Which phase of the cell cycle is characterized by cell growth and preparation for DNA replication?
Which phase of the cell cycle is characterized by cell growth and preparation for cell division?
Which phase of the cell cycle is characterized by cell growth and preparation for cell division?
Which type of cells have the ability to quickly reassemble the cell cycle control system and re-enter the cell cycle?
Which type of cells have the ability to quickly reassemble the cell cycle control system and re-enter the cell cycle?
Which phase of the cell cycle is characterized by cell division?
Which phase of the cell cycle is characterized by cell division?
Which phase of the cell cycle is characterized by temporary disassembly of the cell cycle control system?
Which phase of the cell cycle is characterized by temporary disassembly of the cell cycle control system?
Which phase of mitosis is characterized by the disappearance of nucleoli and condensation of chromatin fibers into discrete chromosomes?
Which phase of mitosis is characterized by the disappearance of nucleoli and condensation of chromatin fibers into discrete chromosomes?
What is the specialized center on each chromatid called, located at the centromere?
What is the specialized center on each chromatid called, located at the centromere?
Which phase of mitosis is characterized by the alignment of all chromosomes on the metaphase plate?
Which phase of mitosis is characterized by the alignment of all chromosomes on the metaphase plate?
During which phase of mitosis do the centrosomes move apart?
During which phase of mitosis do the centrosomes move apart?
What is the process of division of cytoplasm and organelles called in mitosis?
What is the process of division of cytoplasm and organelles called in mitosis?
Which phase of meiosis is characterized by the condensation of chromosomes and synapsis of homologous chromosomes to form a tetrad?
Which phase of meiosis is characterized by the condensation of chromosomes and synapsis of homologous chromosomes to form a tetrad?
What is the term for the sites of crossing over during meiosis?
What is the term for the sites of crossing over during meiosis?
What is the process that creates variation in the offspring's traits during meiosis?
What is the process that creates variation in the offspring's traits during meiosis?
During metaphase I of meiosis, tetrads align on the metaphase plate. How are the sister chromatids attached to the spindle fibers?
During metaphase I of meiosis, tetrads align on the metaphase plate. How are the sister chromatids attached to the spindle fibers?
During metaphase I of meiosis, both kinetochores of sister chromatids face the same pole. What is the orientation of the centromeres of the homologous chromosomes?
During metaphase I of meiosis, both kinetochores of sister chromatids face the same pole. What is the orientation of the centromeres of the homologous chromosomes?
What occurs during anaphase I of meiosis?
What occurs during anaphase I of meiosis?
What happens to the sister chromatids during anaphase I of meiosis?
What happens to the sister chromatids during anaphase I of meiosis?
What occurs during telophase I of meiosis?
What occurs during telophase I of meiosis?
What is the ploidy of the daughter cells after telophase I of meiosis?
What is the ploidy of the daughter cells after telophase I of meiosis?
What is non-disjunction?
What is non-disjunction?
What is the result of non-disjunction during meiosis?
What is the result of non-disjunction during meiosis?
What is the purpose of independent assortment during meiosis?
What is the purpose of independent assortment during meiosis?
Which protein plays a key role at the G1 checkpoint?
Which protein plays a key role at the G1 checkpoint?
What is the composition of MPF (M-phase Promoting Factor)?
What is the composition of MPF (M-phase Promoting Factor)?
Which checkpoint prevents the cell from entering M phase if the genome is damaged?
Which checkpoint prevents the cell from entering M phase if the genome is damaged?
What is the process that triggers progression to M phase by phosphorylating a number of proteins?
What is the process that triggers progression to M phase by phosphorylating a number of proteins?
What is the term for the transition between Prophase and Metaphase I in oocyte maturation?
What is the term for the transition between Prophase and Metaphase I in oocyte maturation?
What is the target of MAP kinase with CSF (Cytostatic factor) activity?
What is the target of MAP kinase with CSF (Cytostatic factor) activity?
What is the process that ends the CSF-induced Met II arrest of eggs in oocyte maturation?
What is the process that ends the CSF-induced Met II arrest of eggs in oocyte maturation?
What is the purpose of MPF inhibition during meiosis I in oocyte maturation?
What is the purpose of MPF inhibition during meiosis I in oocyte maturation?
What is the term for the arrest of eggs at Metaphase II in oocyte maturation?
What is the term for the arrest of eggs at Metaphase II in oocyte maturation?
What is the process that mediates the arrest of eggs by inhibiting the anaphase-promoting complex (APC) in oocyte maturation?
What is the process that mediates the arrest of eggs by inhibiting the anaphase-promoting complex (APC) in oocyte maturation?
Which of the following is NOT a function of cell division?
Which of the following is NOT a function of cell division?
What are the three checkpoints in the cell cycle?
What are the three checkpoints in the cell cycle?
Which of the following is true about cyclin dependent kinases (Cdk)?
Which of the following is true about cyclin dependent kinases (Cdk)?
Which external signal controls the passage of cells from the G1 phase into the S phase?
Which external signal controls the passage of cells from the G1 phase into the S phase?
Which external signal is required for fibroblast division in wound healing?
Which external signal is required for fibroblast division in wound healing?
Which of the following is NOT a physical factor that can inhibit cell division?
Which of the following is NOT a physical factor that can inhibit cell division?
Which regulatory molecules act as a checkpoint in the cell cycle?
Which regulatory molecules act as a checkpoint in the cell cycle?
What is the function of growth factors in the cell cycle?
What is the function of growth factors in the cell cycle?
Which of the following is NOT a function of external signals in the cell cycle?
Which of the following is NOT a function of external signals in the cell cycle?
What is the function of cyclins in the cell cycle?
What is the function of cyclins in the cell cycle?
