Podcast
Questions and Answers
During which phase of the cell cycle does DNA replication occur?
During which phase of the cell cycle does DNA replication occur?
- G2
- S (correct)
- G0
- G1
Which stage of interphase is characterized by the cell growing and producing RNA and proteins necessary for checkpoint?
Which stage of interphase is characterized by the cell growing and producing RNA and proteins necessary for checkpoint?
- G1 (correct)
- S
- G0
- G2
What happens during metaphase of the mitotic phase?
What happens during metaphase of the mitotic phase?
- DNA replication occurs
- Separation of chromatids
- Chromosomes align at the middle (correct)
- Formation of the spindle begins
Which phase of mitosis involves the dissolution of the nuclear wall and the formation of the spindle?
Which phase of mitosis involves the dissolution of the nuclear wall and the formation of the spindle?
What is the main function of a checkpoint in the cell cycle?
What is the main function of a checkpoint in the cell cycle?
Which stage is characterized by a resting phase where cells neither divide nor grow?
Which stage is characterized by a resting phase where cells neither divide nor grow?
What happens in anaphase of mitosis?
What happens in anaphase of mitosis?
What is the main purpose of the G0 phase in the cell cycle?
What is the main purpose of the G0 phase in the cell cycle?
Which checkpoint is responsible for ensuring that the cell has grown sufficiently and has the necessary RNA and proteins for further progression in the cell cycle?
Which checkpoint is responsible for ensuring that the cell has grown sufficiently and has the necessary RNA and proteins for further progression in the cell cycle?
What occurs during anaphase of the mitotic phase?
What occurs during anaphase of the mitotic phase?
Which stage of the cell cycle involves the formation of a cleavage in the cell and the dissolution of spindle and fibers?
Which stage of the cell cycle involves the formation of a cleavage in the cell and the dissolution of spindle and fibers?
During which phase of the cell cycle do cells replicate their DNA?
During which phase of the cell cycle do cells replicate their DNA?
What happens during metaphase of mitosis?
What happens during metaphase of mitosis?
Which stage of interphase is primarily responsible for cell growth and producing RNA and proteins necessary for progression through the cell cycle?
Which stage of interphase is primarily responsible for cell growth and producing RNA and proteins necessary for progression through the cell cycle?
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Study Notes
- Cell cycle: series of events leading to the creation of a new cell
- Two major phases: Interphase and Mitotic Phase
- Interphase: resting stage, accounts for most of the cell cycle
- Four stages in Interphase: G0, G1, S, and G2
- G0: resting phase where cell neither divides nor grows, occurs in mature cells
- G1: longest stage, cell grows and produces RNA and proteins for upcoming division
- S: stage for DNA replication, carries genetic information
- G2: cell grows and produces proteins, stores energy
- Mitotic Phase: active phase leading to cell division
- Prophase: nucleus wall starts to dissolve, spindle formation begins
- Metaphase: chromosomes align at the middle of the cell, spindle fully developed
- Anaphase: chromosomes separate into chromatids, separation at the centromere
- Telophase: cleavage forms in the cell, chromosomes reach opposite ends, spindle and fibers dissolve, nuclear wall starts to form.
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