The Eukaryotic Cell Cycle Quiz

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Questions and Answers

During which phase does the actual cell division or mitosis occur?

  • G1 phase
  • Interphase
  • G2 phase
  • M Phase (correct)

Which phase corresponds to the interval between mitosis and initiation of DNA replication?

  • G2 phase
  • M Phase
  • G1 phase (correct)
  • S phase

What is the duration of the cell cycle for human cells in culture?

  • 1 hour
  • 90 minutes
  • 24 hours (correct)
  • 48 hours

Which phase is the time during which the cell is preparing for division by undergoing both cell growth and DNA replication?

<p>S phase (B)</p> Signup and view all the answers

What percentage of the duration of the cell cycle does the interphase last for in human cells?

<p>95% (D)</p> Signup and view all the answers

Flashcards

M Phase

The phase where actual cell division (mitosis) happens.

G1 Phase

The period between mitosis and the start of DNA replication, involving cell growth and regular functions.

S Phase

The time during which the cell prepares for division by growing and replicating its DNA.

InterphaseDuration

The cell cycle phase that includes G1, S, and G2 phases, lasting for about 95% of the cell cycle.

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Study Notes

Cell Cycle Phases

  • Mitosis occurs during the M phase, which is the stage of actual cell division.
  • The interval between mitosis and the initiation of DNA replication is known as the G1 phase or Gap 1 phase.

Duration of Cell Cycle

  • The average duration of the cell cycle for human cells in culture is approximately 24 hours.

Preparation for Division

  • The time during which the cell prepares for division, including cell growth and DNA replication, is referred to as the S phase or Synthesis phase.

Interphase Duration

  • Interphase, which consists of G1, S, and G2 phases, lasts for about 90% of the duration of the cell cycle in human cells.

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