The Cell Cycle and Mitosis Quiz

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Questions and Answers

What are the three main stages of the cell cycle?

Replication, Mitosis, Growth

Mitosis, Cytokinesis, Respiration

Interphase, Translation, Mitosis

Interphase, Mitosis, Cytokinesis (correct)

Cytokinesis is the stage where the cell grows and carries out its life functions.

False

What occurs during interphase?

Cells grow and replicate their DNA.

The process by which the nucleus makes a copy of its DNA is called __________.

replication Signup and view all the answers

Match the stages of the cell cycle with their descriptions:

Interphase = Period of cell growth and DNA replication Mitosis = Division of the nucleus into two identical nuclei Cytokinesis = Separation of the cell into two identical cells Signup and view all the answers

What is the outcome of cytokinesis?

Two identical cells Signup and view all the answers

Mitosis is the longest stage of the cell cycle.

False Signup and view all the answers

Which of the following phases is the first phase of mitosis?

Prophase Signup and view all the answers

During telophase, the duplicated chromosomes move apart to opposite ends of the cell.

False Signup and view all the answers

What structure begins to form during prophase?

Spindle fibres Signup and view all the answers

Mutagens can cause cells to keep dividing continuously, forming a lump called a ______.

tumour Signup and view all the answers

Match the phase of mitosis with its description:

Prophase = Duplicated chromosomes line up across the middle Metaphase = Duplicated chromosomes move apart Anaphase = Nucleolus forms around chromosomes at opposite ends Telophase = Duplicated chromosomes form an X shape Signup and view all the answers

Cancer is solely caused by genetic mutations that arise naturally, without external factors.

False Signup and view all the answers

What do mutagens do to the cell cycle?

They cause changes that result in continuous cell division. Signup and view all the answers

What is the stage that makes up most of the cell’s life where cells grow and carry out their life functions?

Interphase Signup and view all the answers

The nucleolus disappears during prophase.

True Signup and view all the answers

How many phases of mitosis are there?

four Signup and view all the answers

The cell cycle consists of __________ stages.

two Signup and view all the answers

Match the phase of mitosis with its correct description:

Prophase = Duplicated chromosomes condense and the nucleolus disappears Metaphase = Chromosomes line up across the middle of the cell Anaphase = Chromatids move apart to opposite ends of the cell Telophase = Nuclear membranes form around the chromosomes Signup and view all the answers

During which phase does the nucleus divide into two equal and identical parts?

Mitosis Signup and view all the answers

Cytokinesis occurs after mitosis has completed.

True Signup and view all the answers

During __________, the two equal, identical parts of the cell separate.

cytokinesis Signup and view all the answers

Which stage is the longest in the cell cycle?

Interphase Signup and view all the answers

Cytokinesis occurs after mitosis.

True Signup and view all the answers

Name the four phases of mitosis.

Prophase, Metaphase, Anaphase, Telophase Signup and view all the answers

During ______, the DNA replicates in preparation for mitosis.

interphase Signup and view all the answers

Match the phases of mitosis with their descriptions:

Prophase = Chromosomes condense and mitotic spindle begins to form Metaphase = Chromosomes align at the cell's equator Anaphase = Sister chromatids are pulled apart to opposite poles Telophase = Nuclear membranes reform around the two sets of chromosomes Signup and view all the answers

What occurs during cytokinesis?

Cytoplasm divides to form two daughter cells Signup and view all the answers

Mitosis includes four stages: prophase, metaphase, anaphase, and cytokinesis.

False Signup and view all the answers

What is the purpose of interphase in the cell cycle?

To allow the cell to grow and replicate its DNA in preparation for mitosis. Signup and view all the answers

Which phase of mitosis involves chromosomes lining up across the middle of the cell?

Metaphase Signup and view all the answers

Cytokinesis occurs before the completion of mitosis.

False Signup and view all the answers

What is the process during which the cell copies its DNA?

Replication Signup and view all the answers

The phase of mitosis in which the duplicated chromosomes move apart to opposite ends of the cell is called _____

Anaphase Signup and view all the answers

Match the mitosis phases with their descriptions:

Prophase = Chromosomes condense and the nuclear envelope breaks down Metaphase = Chromosomes align at the cell's equator Anaphase = Sister chromatids are pulled apart Telophase = Nuclear membranes start to form around the two sets of chromosomes Signup and view all the answers

What tiny tube-like structures made of protein are involved in cell division?

Spindle fibres Signup and view all the answers

Interphase is considered the phase before DNA replication.

False Signup and view all the answers

What is the final stage of the cell cycle called?

Cytokinesis Signup and view all the answers

What occurs during anaphase in the mitotic process?

The duplicated chromosomes separate and move to opposite ends of the cell. Signup and view all the answers

During which phase of mitosis do the chromosomes condense into an X shape?

Prophase Signup and view all the answers

How many phases of mitosis are there in total?

Four Signup and view all the answers

What stage follows mitosis in the cell cycle?

Cytokinesis Signup and view all the answers

What is the primary function of interphase in the cell cycle?

To allow the cell to grow and replicate its DNA. Signup and view all the answers

During telophase, what significant event occurs?

The nuclear membrane begins to reform around each set of chromosomes. Signup and view all the answers

How many distinct stages make up the life of a cell?

Four Signup and view all the answers

What happens during cytokinesis?

The cell's cytoplasm divides, forming two cells. Signup and view all the answers

Which stage of the cell cycle includes the process of DNA replication?

Interphase Signup and view all the answers

What is the main purpose of cytokinesis in the cell cycle?

To separate the cell into two identical cells Signup and view all the answers

During which stage does the nucleus divide into two parts?

Mitosis Signup and view all the answers

What occurs primarily during interphase?

Cells grow and perform life functions Signup and view all the answers

Which of the following statements about the cell cycle is true?

Mitosis is the longest phase of the cell cycle. Signup and view all the answers

What results after the process of cytokinesis?

Two identical cells, each with a nucleus Signup and view all the answers

Which process is primarily responsible for cell growth and preparation for division?

Interphase Signup and view all the answers

What is the relationship between interphase, mitosis, and cytokinesis?

Interphase prepares the cell for mitosis, followed by cytokinesis. Signup and view all the answers

Which phase of mitosis is characterized by the formation of spindle fibers?

Prophase Signup and view all the answers

During which phase do the duplicated chromosomes line up across the cell's equator?

Metaphase Signup and view all the answers

What is the primary consequence of mutagens on the cell cycle?

They cause continuous cell division. Signup and view all the answers

What happens during telophase in the context of mitosis?

Nuclear membranes reform around chromosomes. Signup and view all the answers

Which statement best describes the outcomes of uncontrolled cell division?

It may cause the formation of tumors. Signup and view all the answers

Which phase of mitosis directly precedes anaphase?

Metaphase Signup and view all the answers

What is the result when cells continue to divide uncontrollably due to mutagens?

Cancerous growths may occur. Signup and view all the answers

During which phase do chromosomes move apart and towards opposite ends of the cell?

Anaphase Signup and view all the answers

What occurs during prophase of mitosis?

Chromosomes condense and become visible. Signup and view all the answers

What is the primary purpose of the interphase in the cell cycle?

To prepare for mitosis by replicating DNA. Signup and view all the answers

Which phase of mitosis is characterized by chromosomes lining up along the cell's equator?

Metaphase Signup and view all the answers

Which phase of mitosis involves chromosomes lining up across the equator of the cell?

Metaphase Signup and view all the answers

Which stage follows metaphase during mitosis?

Anaphase Signup and view all the answers

How can cells demonstrate abnormal behavior leading to cancer?

By continuously dividing without control. Signup and view all the answers

What is the phase called where duplicated chromosomes pull apart to opposite ends of the cell?

Anaphase Signup and view all the answers

Which of the following occurs during telophase?

Nuclear envelopes reform around the separated chromosomes. Signup and view all the answers

In which phase of mitosis do chromosomes first become visible as distinct structures?

Prophase Signup and view all the answers

What is the shortest phase of the cell cycle?

Mitosis Signup and view all the answers

During which phase does the nucleolus reappear around the chromosomes?

Telophase Signup and view all the answers

During which stage of the cell cycle does DNA replication occur?

Interphase Signup and view all the answers

What cell process occurs immediately after mitosis to divide the cytoplasm into two daughter cells?

Cytokinesis Signup and view all the answers

During which phase of mitosis do chromosomes align at the cell's equatorial plane?

Metaphase Signup and view all the answers

What occurs during the prophase of mitosis?

Chromosomes condense and become visible Signup and view all the answers

What structure forms during prophase that aids in the separation of chromosomes?

Spindle fibers Signup and view all the answers

Study Notes

The Cell Cycle

The cell cycle is the three stages of the life of a cell
- Interphase: most of the life of the cell, cells are growing
- Mitosis: the nucleus of the cell divides into two equal and identical parts
- Cytokinesis: the two equal cells separate

Stages of Mitosis

Prophase: duplicated chromosomes form an X shape, nucleolus disappears, spindle fibers form
Metaphase: duplicated chromosomes line up across the middle of the cell
Anaphase: duplicated chromosomes move apart
Telophase: a nucleolus forms around chromosomes at opposite ends of the dividing cell

Mutagens and the Cell Cycle

Mutagens can cause continuous cell division
This can result in tumors which can be cancerous
Cancerous cells may spread to other parts of the body and continue dividing

The Cell Cycle

The cell cycle is the three stages in the life of a cell: Interphase, Mitosis, and Cytokinesis.
Interphase is the longest stage in which the cell grows and carries out its functions, the nucleus copies DNA via replication.
Mitosis divides the nucleus of the cell into two identical parts with a copy of the DNA.
Cytokinesis is the final stage where the two identical parts of the cell separate resulting in two identical cells with a nucleus and DNA.

Phases of Mitosis

Prophase: Duplicated chromosomes form an X shape, the nucleolus disappears, spindle fibers begin to form.
Metaphase: Duplicated chromosomes line up across the middle of the cell.
Anaphase: Duplicated chromosomes move apart to opposite ends of the cell.
Telophase: A nucleolus forms around the chromosomes at the opposite ends of the dividing cell.

Mutagens

Mutagens can change the cell cycle and cause continuous cell division leading to a tumor.
Uncontrolled cell division from mutagens can lead to cancer.
Cancerous cells may grow locally or spread to other parts of the body, where they continue to divide.

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Description

Test your knowledge on the cell cycle, including the stages of mitosis and the effects of mutagens. Understand the processes involved in cell division and how cancer can develop from abnormal cell growth. This quiz covers essential concepts in cell biology.