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Questions and Answers
Which of the following is a primary purpose of mitosis in living organisms?
Which of the following is a primary purpose of mitosis in living organisms?
- Growth and repair of tissues (correct)
- Increasing genetic diversity within a population
- Creating antibodies
- Producing gametes for sexual reproduction
Meiosis results in daughter cells that are genetically identical to the parent cell.
Meiosis results in daughter cells that are genetically identical to the parent cell.
False (B)
During which phase of the cell cycle does DNA replication occur?
During which phase of the cell cycle does DNA replication occur?
S phase or Synthesis phase
The process of cytoplasmic division, resulting in two separate daughter cells, is called ________.
The process of cytoplasmic division, resulting in two separate daughter cells, is called ________.
Match each phase of mitosis with its key event:
Match each phase of mitosis with its key event:
What is the role of 'crossing over' in meiosis?
What is the role of 'crossing over' in meiosis?
Mitosis is used for sexual reproduction in eukaryotes.
Mitosis is used for sexual reproduction in eukaryotes.
What are the three main stages of Interphase?
What are the three main stages of Interphase?
If a cell with 20 chromosomes undergoes mitosis, each daughter cell will have ________ chromosomes.
If a cell with 20 chromosomes undergoes mitosis, each daughter cell will have ________ chromosomes.
Match the following terms with their descriptions related to the cell cycle:
Match the following terms with their descriptions related to the cell cycle:
Which of the following events occurs during anaphase II of meiosis?
Which of the following events occurs during anaphase II of meiosis?
The nuclear membrane reforms during prophase.
The nuclear membrane reforms during prophase.
If a diploid cell has 46 chromosomes, how many chromosomes will each daughter cell have after meiosis II?
If a diploid cell has 46 chromosomes, how many chromosomes will each daughter cell have after meiosis II?
The structure that helps to equally divide the chromosomes during mitosis is called the __________.
The structure that helps to equally divide the chromosomes during mitosis is called the __________.
Match the cellular function with the correct cell division process:
Match the cellular function with the correct cell division process:
Why is it essential for the chromosome number to be reduced during meiosis?
Why is it essential for the chromosome number to be reduced during meiosis?
Cytokinesis is a part of mitosis.
Cytokinesis is a part of mitosis.
In which specific phase of meiosis does crossing over take place?
In which specific phase of meiosis does crossing over take place?
During metaphase, chromosomes line up along the ________ of the cell.
During metaphase, chromosomes line up along the ________ of the cell.
Match the following events with the phase of mitosis in which they occur:
Match the following events with the phase of mitosis in which they occur:
Which process ensures genetic diversity but happens during meiosis only?
Which process ensures genetic diversity but happens during meiosis only?
Mitosis is involved in the production of gametes
Mitosis is involved in the production of gametes
What is the chromosome number of a diploid human cell?
What is the chromosome number of a diploid human cell?
During __________, the nuclear envelope disappears, with chromosomes condensing and becoming defined.
During __________, the nuclear envelope disappears, with chromosomes condensing and becoming defined.
Match each term with its correct description of the cell cycle:
Match each term with its correct description of the cell cycle:
After anaphase of mitosis, each new daughter cell...
After anaphase of mitosis, each new daughter cell...
Cytokinesis in plant and animal cells occurs using the same mechanisms.
Cytokinesis in plant and animal cells occurs using the same mechanisms.
During which phase of meiosis do homologous chromosomes separate?
During which phase of meiosis do homologous chromosomes separate?
Independent assortment occurs during _____ of meiosis.
Independent assortment occurs during _____ of meiosis.
Associate chromosome numbers with phases of cell events:
Associate chromosome numbers with phases of cell events:
What stage of cell division grows and duplicates?
What stage of cell division grows and duplicates?
Cells spend most of their time in the division pahse
Cells spend most of their time in the division pahse
What is the division of the parent cell's cytoplasm referred to as?
What is the division of the parent cell's cytoplasm referred to as?
What is the phase of cell division where the cell seperates into two new cells referred to as? __________
What is the phase of cell division where the cell seperates into two new cells referred to as? __________
During what stage does the mitosis spindle apparatus attach to?
During what stage does the mitosis spindle apparatus attach to?
The purpose of cell division with mitosis is to increase genetic diversity.
The purpose of cell division with mitosis is to increase genetic diversity.
What phase does dna replicate in the cell cycle?
What phase does dna replicate in the cell cycle?
During _________, sister chromatids are separated by mitotic spindals.
During _________, sister chromatids are separated by mitotic spindals.
Match each process with what part of cell division cycle it follows:
Match each process with what part of cell division cycle it follows:
Flashcards
What is Gap 1?
What is Gap 1?
The cell cycle phase involving cell growth and normal metabolic activities.
What is Synthesis?
What is Synthesis?
The cell cycle phase where DNA replication occurs.
What is Gap 2?
What is Gap 2?
The cell cycle phase involving preparation for mitosis.
What is Interphase?
What is Interphase?
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What is Mitosis?
What is Mitosis?
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What is Prophase?
What is Prophase?
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What is Metaphase?
What is Metaphase?
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What is Anaphase?
What is Anaphase?
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What is Telophase?
What is Telophase?
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What is Cytokinesis?
What is Cytokinesis?
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What is Gap 0?
What is Gap 0?
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What is Synthesis phase?
What is Synthesis phase?
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What is Prophase phase?
What is Prophase phase?
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What is Cytokinesis?
What is Cytokinesis?
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What is Synthesis?
What is Synthesis?
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If the parent cell has 118 chromosomes in mitosis, how many should each daughter cells have?
If the parent cell has 118 chromosomes in mitosis, how many should each daughter cells have?
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If the parent cell has 12 chromosomes in meiosis, how many should each daughter cells have?
If the parent cell has 12 chromosomes in meiosis, how many should each daughter cells have?
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How many daughter cells are formed from one parent cell during meiosis?
How many daughter cells are formed from one parent cell during meiosis?
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In mitosis, how many daughter cells are formed from one parent cell?
In mitosis, how many daughter cells are formed from one parent cell?
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Which cell division process results in daughter cells that are identical to the original cell?
Which cell division process results in daughter cells that are identical to the original cell?
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Which cell division process results in unique daughter cells?
Which cell division process results in unique daughter cells?
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If a goldfish somatic cell has 94 chromosomes, how many will it have in a sex cell?
If a goldfish somatic cell has 94 chromosomes, how many will it have in a sex cell?
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In what form is DNA found during Metaphase?
In what form is DNA found during Metaphase?
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Using PMAT, list the following in the correct order and identify the phases by name: Prophase, Metaphase, Anaphase, Telophase?
Using PMAT, list the following in the correct order and identify the phases by name: Prophase, Metaphase, Anaphase, Telophase?
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Which cell division process involves body cells?
Which cell division process involves body cells?
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Which cell division process is responsible for a lizard being able to grow back its tail after losing it?
Which cell division process is responsible for a lizard being able to grow back its tail after losing it?
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Which cell division process involves sex cells?
Which cell division process involves sex cells?
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In what form is DNA found in during Interphase?
In what form is DNA found in during Interphase?
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Which cell division process involves somatic cells?
Which cell division process involves somatic cells?
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Which cell division process involves gamete cells?
Which cell division process involves gamete cells?
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Which cell division process goes through PMAT twice?
Which cell division process goes through PMAT twice?
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eukaryotic organisms?
eukaryotic organisms?
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What are the three purposes of Mitosis?
What are the three purposes of Mitosis?
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Which cell division process involves crossover and why is crossover important?
Which cell division process involves crossover and why is crossover important?
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Study Notes
Cell Cycle Phases & Importance
- Cell cycle phases include mitosis and meiosis.
- Identifying and describing each phase are important.
- Understanding why each phase is important for growth, repair, and reproduction of living things is equally important.
Cell Cycle
- Gap 1 occurs
- Synthesis follows, where DNA is replicated.
- Gap 2 is next
- Interphase consists of Gap 1, S (Synthesis), and Gap 2 phases.
- Mitosis occurs afterwards.
- In mitosis, DNA is duplicated in the Synthesis phase.
- Prophase occrus next
- The nuclear membrane breaks down in Prophase during Mitosis.
- Metaphase follows.
- Anaphase occurs after.
- Telophase is next.
- Cytokinesis occurs at the end of cell division
- In Mitosis, the daughter cells are no longer connected in Cytokinesis.
- Gap 0 is the final step in the cell cycle.
- PMAT (Prophase, Metaphase, Anaphase, Telophase)
DNA Form
- During Interphase, DNA is found in the form of Chromatin.
- During Metaphase, DNA is found in the form of Chromosomes.
Mitosis
- Results in daughter cells that are identical to the original cell.
- In mitosis, if the parent cell has 118 chromosomes, each daughter cell should have 118.
- Two daughter cells are formed from one parent cell.
- A cell division process that involves body cells.
- Is responsible for a lizard being able to grow back its tail after losing it.
- Has three purposes: growth, repair, and development
Meiosis
- Results in unique daughter cells.
- If the parent cell has 12 chromosomes, each daughter cell should have 6.
- Four daughter cells are formed from one parent cell.
- A cell division process that involves sex cells or gamete cells.
- Undergoes PMAT twice.
- Involves crossover which allows for genetic diversity.
Processes
- A process that occurs in Eukaryotic organisms.
- Both mitosis and meiosis are processes that occur in Eukaryotic organisms.
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