Understanding the Cell Cycle's Role

Discuss the role of the cell cycle in tissue regeneration and provide examples of how it supports the development of an organism.

• The cell cycle is crucial for replacing old or damaged cells, aiding in tissue regeneration and development.

• The cell cycle is only involved in the initial stages of an organism's life and does not affect tissue regeneration.

• The cell cycle is a process that occurs exclusively in plant cells and is unrelated to animal development.

• The cell cycle contributes to the aging process by slowing down cell production over time.

Tags

NGSS.HS-LS1-4

Analyze the role of DNA replication in the cell cycle and its importance for genetic continuity.

• DNA replication is a minor part of the cell cycle and does not affect genetic continuity.

• DNA replication ensures that each daughter cell receives an identical set of genetic information, maintaining genetic continuity.

• DNA replication occurs randomly and does not follow a specific pattern in the cell cycle.

• DNA replication is only important for the repair of damaged DNA, not for genetic continuity.

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NGSS.HS-LS1-4

Discuss the potential outcomes of mistakes occurring during the DNA replication process in cells. How might these mistakes affect an organism?

• Mistakes during DNA replication are always fixed and have no effect on the organism.

• Mistakes during DNA replication can cause mutations, potentially leading to diseases or developmental problems in the organism.

• Mistakes during DNA replication only impact the original cell and not the cells that arise from it.

• Mistakes during DNA replication are advantageous and contribute to greater genetic diversity.

Tags

NGSS.HS-LS3-2

Discuss the significance of the G1, S, and G2 phases in the cell cycle. How do these phases prepare a cell for mitosis?

• The G1, S, and G2 phases are not related to mitosis and occur after cell division.

• The G1, S, and G2 phases prepare the cell for mitosis by ensuring cell growth, DNA replication, and the synthesis of necessary proteins.

• The G1, S, and G2 phases are only involved in the production of energy for the cell.

• The G1, S, and G2 phases are responsible for the destruction of old cells, not preparation for mitosis.

Tags

NGSS.HS-LS1-4

How might alterations in cell cycle checkpoints contribute to the formation of cancerous cells? Provide evidence to support your explanation.

• Alterations in cell cycle checkpoints have no impact on cancer formation.

• Disruption of cell cycle checkpoints can lead to unchecked cell proliferation, a key feature of cancer.

• Maintaining strict cell cycle checkpoints completely halts cell division, preventing cancer.

• Cell cycle checkpoints are irrelevant to cancer; it is purely a result of environmental factors.

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NGSS.HS-LS1-4

Analyze how checkpoints in the cell cycle contribute to the prevention of cancer. What happens if these checkpoints fail?

• Checkpoints in the cell cycle have no role in cancer prevention.

• Checkpoints ensure that damaged or incomplete DNA is not passed on to daughter cells, preventing cancer. If they fail, it can lead to uncontrolled cell division.

• Checkpoints only function to speed up the cell cycle and do not prevent cancer.

• If checkpoints fail, the cell cycle stops completely, preventing any cell division.

Tags

NGSS.HS-LS1-4

Describe the connection between the cell cycle and the regeneration of body tissues after injury.

Answer explanation

The cell cycle allows damaged tissues to be repaired by facilitating the division of nearby healthy cells to replace the damaged ones.

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NGSS.HS-LS1-4

Label the Following Illustration of the Cell Cycle.

a

b

c

d

G2-phase

S-phase

G1-phase

M-phase

Tags

112.34.c.5.A

Discuss how environmental factors can influence the cell cycle and potentially lead to mutations. Provide examples of such factors.

• Environmental factors solely affect plant cells and do not influence animal cell cycles.

• Environmental factors have no impact on the cell cycle or mutations.

• Environmental factors like radiation and chemicals can disrupt the cell cycle, leading to mutations.

• Environmental factors only enhance the speed of the cell cycle without causing mutations.

Tags

NGSS.HS-LS3-2