Mitosis Review Flashcards
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Questions and Answers

Cell division allows organisms to grow larger.

True (A)

Cell division produces new cells to replace damaged cells.

True (A)

What are the two functions of cell division?

repair and growth

What are the new cells formed at the end of mitosis called?

<p>daughter cells</p> Signup and view all the answers

Interphase, the first stage of mitosis, is about 20% of the cell cycle.

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

The cell cycle consists of three main stages: interphase, _____, and cytokinesis.

<p>mitosis</p> Signup and view all the answers

During Interphase, the DNA is copied. DNA and proteins form threadlike structures called?

<p>chromatin</p> Signup and view all the answers

PMAT stands for?

<p>prophase, metaphase, anaphase, telophase</p> Signup and view all the answers

Cytokinesis begins during mitosis; each daughter cell ends with a different number of chromosomes.

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

During cytokinesis in animal cells, the cell membrane pinches in the middle of the cell.

<p>True (A)</p> Signup and view all the answers

During cytokinesis in a plant cell, the cell does not pinch to form daughter cells but forms a?

<p>cell plate</p> Signup and view all the answers

Mitosis is done by your body cells. What type of cells do not undergo mitosis?

<p>sex cells</p> Signup and view all the answers

In mitosis, the cells that are created are ________________.

<p>identical</p> Signup and view all the answers

How many chromosomes are in each nucleus of our cells?

<p>46 chromosomes</p> Signup and view all the answers

Chromosomes are made of DNA and __________________________.

<p>proteins</p> Signup and view all the answers

Which of the following phases of mitosis is shown in the picture below?

<p>Telophase</p> Signup and view all the answers

Which of the following phases of mitosis is shown in the diagram below?

<p>anaphase</p> Signup and view all the answers

Which of the following phases of mitosis is shown in the diagram below?

<p>interphase</p> Signup and view all the answers

Which of the following phases of mitosis is shown in the diagram below?

<p>metaphase</p> Signup and view all the answers

Which of the following phases of mitosis is shown in the diagram below?

<p>metaphase</p> Signup and view all the answers

Flashcards

Cell division function

Cell division allows organisms to grow and repair damaged cells.

Daughter cells

The new cells formed at the end of mitosis.

Cell cycle stages

The cell cycle has three main stages: interphase, mitosis, and cytokinesis.

Interphase

The longest phase of the cell cycle where DNA is copied.

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Mitosis

The process of cell division where the nucleus divides.

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Cytokinesis

The final stage of cell division where the cytoplasm divides.

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Chromatin

DNA and proteins combined to form threadlike structures.

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PMAT

Abbreviation for the four phases of mitosis: Prophase, Metaphase, Anaphase, Telophase.

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Animal cell cytokinesis

The cell membrane pinches to form two daughter cells.

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Plant cell cytokinesis

A cell plate forms to divide the plant cell.

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Sex cells

Cells that do NOT undergo mitosis.

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Identical cells

In mitosis, resulting cells have the same genetic makeup.

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Human cell chromosomes

Human cells normally have 46 chromosomes.

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Chromosome composition

Chromosomes are made of DNA and proteins.

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Prophase

First stage of mitosis where chromosomes condense.

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Metaphase

Chromosome alignment stage in mitosis.

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Anaphase

Chromosomes separate and move to opposite poles.

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Telophase

Chromosomes reach opposite poles, nucleus reforms.

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Interphase

Phase preceding mitosis where DNA is replicated.

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Study Notes

Cell Division

  • Cell division promotes growth in organisms and facilitates repair by producing new cells to replace damaged ones.
  • Functions of cell division: repair and growth.

Overview of Mitosis

  • Mitosis results in the formation of daughter cells, which are identical to the original cell.
  • The cell cycle mainly includes three stages: interphase, mitosis, and cytokinesis.

Interphase

  • Interphase comprises approximately 90% of the cell cycle, where DNA is replicated and chromatin is formed from DNA and proteins.

Phases of Mitosis (PMAT)

  • Phases include:
    • Prophase
    • Metaphase
    • Anaphase
    • Telophase

Cytokinesis

  • Cytokinesis initiates during mitosis but ensures each daughter cell has the same number of chromosomes (46).
  • In animal cells, cytokinesis occurs through the cell membrane pinching inwards.
  • In plant cells, a cell plate forms instead of the cell pinching.

Chromosomes

  • Human cells contain 46 chromosomes within each nucleus.
  • Chromosomes consist of DNA and proteins.

Mitosis and Cell Types

  • Mitosis occurs in body cells. Sex cells, however, do not undergo mitosis.

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Description

Test your knowledge on mitosis with these flashcards. This quiz covers essential concepts such as cell division, functions of cell division, and the terminology associated with mitosis. Perfect for students looking to reinforce their understanding of this critical biological process.

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