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Questions and Answers
What is the process called when a parent cell is pinched in two, producing two completely separated cells in eukaryotic cells?
What is the process called when a parent cell is pinched in two, producing two completely separated cells in eukaryotic cells?
- Binary Fission
- Meiosis
- Budding
- Mitosis (correct)
Which statement about the cell cycle regulation is accurate?
Which statement about the cell cycle regulation is accurate?
- Liver cells divide only when necessary (correct)
- All cells in the human body divide at the same frequency
- Nerve cells in a mature human divide frequently
- Cancer cells follow the usual controls of the cell cycle
What happens to the chromosome during binary fission in prokaryotic cells?
What happens to the chromosome during binary fission in prokaryotic cells?
- It replicates (correct)
- It remains the same
- It divides into two equal parts
- It fuses with another chromosome
What drives the cell cycle in eukaryotic cells according to the text?
What drives the cell cycle in eukaryotic cells according to the text?
When do human skin cells divide throughout life?
When do human skin cells divide throughout life?
What happens when cultured mammalian cells at different phases of the cell cycle are fused?
What happens when cultured mammalian cells at different phases of the cell cycle are fused?
What best distinguishes living things from nonliving matter?
What best distinguishes living things from nonliving matter?
What is the key role of cell division in multicellular eukaryotes?
What is the key role of cell division in multicellular eukaryotes?
Which phase alternates with interphase in the eukaryotic cell cycle?
Which phase alternates with interphase in the eukaryotic cell cycle?
What is the genetic material of a cell called?
What is the genetic material of a cell called?
In which type of division can sperm and egg cells be produced?
In which type of division can sperm and egg cells be produced?
What distinguishes meiosis from most other types of cell division?
What distinguishes meiosis from most other types of cell division?
What is the role of the MPF complex when cyclins accumulate during G2 associate with Cdks molecules?
What is the role of the MPF complex when cyclins accumulate during G2 associate with Cdks molecules?
Which checkpoint is considered the most important for many cells in the cell cycle?
Which checkpoint is considered the most important for many cells in the cell cycle?
What prevents anaphase from beginning at the M checkpoint?
What prevents anaphase from beginning at the M checkpoint?
Which outcome is likely if a cell does not receive a go-ahead signal at the G1 checkpoint?
Which outcome is likely if a cell does not receive a go-ahead signal at the G1 checkpoint?
What is the purpose of growth factors in cell division?
What is the purpose of growth factors in cell division?
How do external factors like lacking essential nutrients influence cell division?
How do external factors like lacking essential nutrients influence cell division?
What is the role of asters during cell division?
What is the role of asters during cell division?
When do sister chromatids separate during cell division?
When do sister chromatids separate during cell division?
What is the function of kinetochores in cell division?
What is the function of kinetochores in cell division?
How is cytokinesis accomplished in animal cells?
How is cytokinesis accomplished in animal cells?
What happens during prophase of cell division?
What happens during prophase of cell division?
How do nonkinetochore microtubules contribute to cell division?
How do nonkinetochore microtubules contribute to cell division?
What are the two types of regulatory proteins involved in cell cycle control?
What are the two types of regulatory proteins involved in cell cycle control?
Which phase of the cell cycle has checkpoints where the cycle stops until a go-ahead signal is received?
Which phase of the cell cycle has checkpoints where the cycle stops until a go-ahead signal is received?
What is required for a kinase to be active in cell cycle regulation?
What is required for a kinase to be active in cell cycle regulation?
What is the role of MPF (maturation-promoting factor) in the cell cycle?
What is the role of MPF (maturation-promoting factor) in the cell cycle?
At which phase of the cell cycle do the peaks of MPF activity and cyclin concentration correspond?
At which phase of the cell cycle do the peaks of MPF activity and cyclin concentration correspond?
Why are cyclin-dependent kinases (Cdks) called so?
Why are cyclin-dependent kinases (Cdks) called so?
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