Cell Cycle Phases Flashcards
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Questions and Answers

What is cytokinesis?

Cytoplasmic division.

What is interphase?

Cell performing normal functions; longest phase.

What is mitosis?

Nuclear division.

What happens during metaphase?

<p>Chromatid pair line up at the equatorial plate.</p> Signup and view all the answers

What occurs during prophase?

<p>Chromatin condenses into chromosomes.</p> Signup and view all the answers

What is telophase?

<p>Spindle fibers break up; nucleus reappears.</p> Signup and view all the answers

What happens during anaphase?

<p>Centromeres divide; chromosomes move to opposite poles.</p> Signup and view all the answers

What happens to the nuclear membrane during prophase?

<p>Nuclear membrane disassembles and disappears.</p> Signup and view all the answers

What happens to the chromosomes during telophase?

<p>Chromosomes unravel to form chromatin.</p> Signup and view all the answers

What is prophase?

<p>Mitotic spindle forms.</p> Signup and view all the answers

What occurs during the S phase?

<p>DNA replicates.</p> Signup and view all the answers

Study Notes

Phases of the Cell Cycle

  • Cytokinesis: Refers to the division of cytoplasm, resulting in two separate daughter cells.
  • Interphase: Involves the cell carrying out regular functions and constitutes the longest phase of the cell cycle.
  • Mitosis: Represents the process of nuclear division, critical for cell replication.

Mitosis Subphases

  • Prophase:

    • Chromatin, the material of chromosomes, condenses into visible chromosomes.
    • The nuclear membrane disassembles and disappears.
    • The formation of the mitotic spindle occurs, essential for chromosome movement.

  • Metaphase: Chromatid pairs align along the equatorial plate, preparing for separation.

  • Anaphase:

    • Centromeres, the region where chromatids are joined, divide.
    • Chromosomes migrate to opposite poles of the cell, ensuring each new cell receives an identical set.

  • Telophase:

    • The separation of chromatids concludes with the unraveling of chromosomes back into chromatin.
    • Spindle fibers disintegrate, and the nuclear membrane reappears, marking the end of the nuclear division phase.

S Phase

  • The part of the interphase where DNA replication occurs, ensuring that each daughter cell will have an identical set of chromosomes after division.

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Description

Test your knowledge on the various phases of the cell cycle with these flashcards. From cytokinesis to mitosis, each term is defined to help reinforce your learning. Perfect for biology students and anyone interested in cell biology.

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