CH 3 SUM: Cell Division
150 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary reason for a cell undergoing division?

  • To prepare for DNA replication
  • To increase its surface area to volume ratio
  • To maintain an effective surface area to volume ratio (correct)
  • To manage material exchange efficiently

    • In which phase of the cell cycle do chromosomes align at the cell's equator?

  • Telophase
  • Anaphase
  • Metaphase (correct)
  • Prophase

    • What is the primary function of mitosis?

  • Waste elimination
  • DNA repair
  • Energy production
  • Cell growth (correct)

    • Where does DNA replication occur during mitosis in animal cells?

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

    What distinguishes plant cells from animal cells in terms of mitosis?

    <p>Plant cells lack centrioles</p> Signup and view all the answers

    During which phase do chromatids separate, becoming daughter chromosomes?

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

    Where is mitotic activity prominent in animals for skin renewal?

    <p>Basal layers of the skin</p> Signup and view all the answers

    What are the two main parts into which the cell cycle can be broadly divided?

    <p>Interphase and Mitosis</p> Signup and view all the answers

    Which phase of interphase involves the duplication of cellular contents excluding the chromosomes?

    <p>G1 Phase</p> Signup and view all the answers

    What happens during the S Phase of interphase?

    <p>DNA replication occurs resulting in two sister chromatids</p> Signup and view all the answers

    In which phase of the cell cycle does the DNA condense into more distinct forms?

    <p>Prophase of Mitosis</p> Signup and view all the answers

    What is the function of the centromere in a duplicated chromosome?

    <p>It holds the sister chromatids together</p> Signup and view all the answers

    What is the state of DNA in the nucleus during interphase?

    <p>Loosely packed and dispersed as chromatin</p> Signup and view all the answers

    Which factor plays a crucial role in determining when a cell will divide?

    <p>Surface area to volume ratio</p> Signup and view all the answers

    When does a cell acquire genetic information during the cell cycle?

    <p>During S Phase of interphase</p> Signup and view all the answers

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

    <p>Preparing for division by duplicating cellular contents</p> Signup and view all the answers

    What occurs at the conclusion of the G2 phase of interphase?

    <p>The cell enters prophase of mitosis</p> Signup and view all the answers

    What occurs during cytokinesis in plant cells?

    <p>Cell plate formation at the cell's equator</p> Signup and view all the answers

    Which phase of mitosis is not affected by the cell wall's presence?

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

    What is the primary concern in cancer research?

    <p>Abnormal cell division</p> Signup and view all the answers

    What is angiogenesis?

    <p>Formation of new blood vessels</p> Signup and view all the answers

    Which type of cancer affects the blood, lymphatic, and immune systems?

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

    What is a common environmental factor that can cause cancer?

    <p>Exposure to sunlight</p> Signup and view all the answers

    Which type of cancer is associated with the BRCA1 mutation?

    <p>Breast cancer</p> Signup and view all the answers

    What is a common misconception about cancer?

    <p>Cancer is always fatal</p> Signup and view all the answers

    Which cancer treatment utilizes chemicals to kill cancer cells?

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

    What is a traditional remedy used alongside conventional cancer treatments?

    <p>Cancer Bush tea</p> Signup and view all the answers

    What are the two main parts of the cell cycle?

    <p>Interphase and Mitosis</p> Signup and view all the answers

    During which phase of the cell cycle does the DNA condense into more distinct forms?

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

    What is the phase of the cell cycle during which the cell is not actively dividing but is preparing for division?

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

    What is the role of the centromere in a duplicated chromosome?

    <p>Anchor point for spindle fibers</p> Signup and view all the answers

    When does the DNA become loosely packed and dispersed throughout the nucleus?

    <p>G1 Phase</p> Signup and view all the answers

    What happens during the S Phase of interphase?

    <p>Chromosome duplication</p> Signup and view all the answers

    Which factor plays a crucial role in determining when a cell will divide?

    <p>Surface Area to Volume Ratio</p> Signup and view all the answers

    What is the primary concern in cancer research?

    <p>Analyzing abnormal cell division</p> Signup and view all the answers

    What is the main difference between malignant and benign tumors?

    <p>Malignant tumors can invade other tissues and spread throughout the body, while benign tumors cannot</p> Signup and view all the answers

    Which type of cancer affects the blood, lymphatic, and immune systems?

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

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

    <p>Cell growth and DNA replication</p> Signup and view all the answers

    What occurs during the S Phase of interphase?

    <p>DNA replication</p> Signup and view all the answers

    What is the function of the centromere in a duplicated chromosome?

    <p>Holds the two sister chromatids together</p> Signup and view all the answers

    What happens during cytokinesis in plant cells?

    <p>Formation of a cell plate at the cell's equator</p> Signup and view all the answers

    Which cancer treatment utilizes chemicals to kill cancer cells?

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

    What is angiogenesis?

    <p>The formation of new blood vessels</p> Signup and view all the answers

    What is the primary difference between carcinomas and sarcomas?

    <p>Carcinomas arise in epithelial cells, while sarcomas arise in connective tissues</p> Signup and view all the answers

    Which phase of the cell cycle is crucial for the cell's growth, DNA replication, and preparation for division?

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

    What is the primary purpose of mitosis in cell division?

    <p>Growth, repair, and reproduction</p> Signup and view all the answers

    In which phase of mitosis do chromosomes align at the equator of the cell?

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

    What is a significant consequence of a cell having an inefficient surface area to volume ratio?

    <p>Decreased material exchange with the environment</p> Signup and view all the answers

    Where is mitotic activity prominent in animals specifically for blood cell production?

    <p>Bone marrow</p> Signup and view all the answers

    During which phase of plant cell mitosis are nuclear membranes reformed around each set of chromosomes?

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

    What key structure do plant cells lack compared to animal cells during mitosis?

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

    What is one of the primary functions of multicellular organisms expanding their cells by multiplying?

    <p>Improving structural integrity</p> Signup and view all the answers

    In which phase of animal cell mitosis do chromosomes appear as two chromatids connected by a centromere?

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

    What is one of the primary functions of mitosis in unicellular organisms like bacteria and protists?

    <p>Serving as a means of reproduction</p> Signup and view all the answers

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

    <p>To allow for DNA replication and transcription to be performed efficiently</p> Signup and view all the answers

    During which phase of interphase are new proteins produced in the cell?

    <p>G2 Phase</p> Signup and view all the answers

    What is the significance of chromosomes only condensing into more distinct forms during prophase of mitosis?

    <p>To ensure accurate segregation during cell division</p> Signup and view all the answers

    Why is the surface area to volume ratio a crucial factor in determining when a cell will divide?

    <p>To impact the cell's ability to acquire nutrients and dispose of waste effectively</p> Signup and view all the answers

    What occurs during cytokinesis in animal cells?

    <p>Division of the cytoplasm to form two daughter cells</p> Signup and view all the answers

    What is the primary difference between the G1 Phase and G2 Phase of interphase?

    <p>G1 Phase duplicates cellular contents excluding chromosomes, while G2 Phase produces new proteins</p> Signup and view all the answers

    What happens during prophase of mitosis regarding DNA organization?

    <p>DNA condenses into more distinct forms as chromosomes</p> Signup and view all the answers

    Why are sister chromatids held together by a centromere during the S Phase?

    <p>To ensure each new cell has the correct amount of genetic information</p> Signup and view all the answers

    What is the role of chromatin in interphase?

    <p>Chromatin facilitates efficient DNA replication and transcription.</p> Signup and view all the answers

    Why do chromosomes only condense into more distinct forms during prophase of mitosis?

    <p>To ensure accurate segregation during cell division.</p> Signup and view all the answers

    What is the significance of interphase in the cell cycle?

    <p>It is essential for DNA replication.</p> Signup and view all the answers

    What distinguishes plant cells from animal cells during mitosis?

    <p>Absence of centrioles</p> Signup and view all the answers

    What key activity occurs during telophase of mitosis?

    <p>Nuclear membranes reform</p> Signup and view all the answers

    What is the primary function of mitosis in cell division?

    <p>To produce two identical daughter cells</p> Signup and view all the answers

    Which phase of animal cell mitosis involves the formation of a mitotic spindle?

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

    What is the primary role of the centrosome during animal cell mitosis?

    <p>To form microtubule fibers of the spindle apparatus</p> Signup and view all the answers

    What distinguishes cancer cells from normal cells in terms of growth inhibition signals?

    <p>They disregard signals and continue to multiply.</p> Signup and view all the answers

    Which of the following is a critical characteristic of malignant tumors?

    <p>They have the ability to spread to other parts of the body.</p> Signup and view all the answers

    What is one unique feature of sarcomas compared to carcinomas and leukemia?

    <p>They arise in connective tissues like muscle and bone.</p> Signup and view all the answers

    Which phase of cancer treatment involves the physical removal of the tumor?

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

    What is one common misconception about cancer often influencing attitudes towards treatment?

    <p>Expecting modern medicine to cure all forms of the disease.</p> Signup and view all the answers

    Which of the following is a significant difference between carcinomas and sarcomas?

    <p>Originate in epithelial cells vs. connective tissues</p> Signup and view all the answers

    What role does angiogenesis play in cancer progression?

    <p>Promotes the formation of new blood vessels for tumor growth and metastasis.</p> Signup and view all the answers

    What is the crucial factor in determining when a cell will divide?

    <p>Surface area to volume ratio</p> Signup and view all the answers

    During which phase does DNA replication occur?

    <p>S Phase</p> Signup and view all the answers

    In which phase of mitosis do chromosomes only condense into more distinct forms?

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

    What happens at the conclusion of the G2 Phase of interphase?

    <p>The cell is ready to enter mitosis</p> Signup and view all the answers

    What allows for DNA replication and transcription to be performed efficiently during interphase?

    <p>Loosely packed DNA as chromatin</p> Signup and view all the answers

    Which sub-phase of interphase involves the duplication of cellular contents excluding the chromosomes?

    <p>G1 Phase</p> Signup and view all the answers

    What is the function of the centromere in a duplicated chromosome?

    <p>Holds together sister chromatids</p> Signup and view all the answers

    What is the phase during which the cell is not actively dividing but is preparing for division?

    <p>'G1' Phase</p> Signup and view all the answers

    What is the primary role of mitosis in cell division?

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

    During which phase of mitosis do chromatids split at the centromere and move to opposite poles?

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

    Where is mitotic activity prominent in animals specifically for skin renewal?

    <p>Basal layers</p> Signup and view all the answers

    What differentiates mitosis in plant cells from animal cells?

    <p>Absence of centrosomes</p> Signup and view all the answers

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

    <p>Preparation for division</p> Signup and view all the answers

    Why is maintaining an effective surface area to volume ratio important for cells?

    <p>Improved waste disposal</p> Signup and view all the answers

    What is the key characteristic of multicellular organisms that drives the need for cell growth through mitosis?

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

    What happens to chromosomes during metaphase of mitosis?

    <p>They align at the cell's equator.</p> Signup and view all the answers

    What is a characteristic of cancer cells that contributes to their growth and spread?

    <p>Cancer cells are unresponsive to growth inhibition signals.</p> Signup and view all the answers

    What is a potential consequence of a tumor compressing and depriving surrounding normal cells of nutrients?

    <p>The normal cells will die.</p> Signup and view all the answers

    What is a risk factor for developing cancer that is caused by environmental exposure?

    <p>Exposure to radiation</p> Signup and view all the answers

    What is a common misconception about cancer that can influence attitudes towards treatment?

    <p>Cancer is a death sentence.</p> Signup and view all the answers

    What is a potential side effect of chemotherapy treatment for cancer?

    <p>Hair loss</p> Signup and view all the answers

    What is a mechanism by which tumors can spread to other parts of the body?

    <p>Through the formation of new blood vessels</p> Signup and view all the answers

    What is a type of cancer that affects connective tissue, such as bone, cartilage, and muscle?

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

    What is a potential consequence of a tumor disrupting the function of surrounding normal cells?

    <p>The normal cells will die.</p> Signup and view all the answers

    What is a type of cancer that affects the epithelial cells covering the organs, glands, and skin?

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

    What is a unique characteristic of plant cell cytokinesis compared to animal cells?

    <p>Formation of a new cell wall</p> Signup and view all the answers

    In cancer cells, what contributes to the spread of cancer to other body parts?

    <p>Formation of new blood vessels</p> Signup and view all the answers

    What is a key distinguishing feature of malignant tumors compared to benign tumors?

    <p>Capability to invade other tissues</p> Signup and view all the answers

    What is a common misconception about cancer related to social beliefs?

    <p>Fatalism - viewing cancer as curable</p> Signup and view all the answers

    What is the primary characteristic of leukemias among the common types of cancer mentioned?

    <p>Involvement in blood-related systems</p> Signup and view all the answers

    Which factor significantly influences attitudes and approaches towards cancer treatment?

    <p>Social beliefs and myths</p> Signup and view all the answers

    What role do carcinogens play in causing cancer?

    <p>Damage DNA and disrupt cellular regulation</p> Signup and view all the answers

    Which type of cancer is most likely to originate in bone or muscle tissues?

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

    What is the primary function of radiotherapy in treating cancer?

    <p>Destroying cancer cells with radiation</p> Signup and view all the answers

    What is the primary function of mitosis in the context of unicellular organisms such as bacteria and protists?

    <p>Reproduction through binary fission or budding</p> Signup and view all the answers

    Which phase of the cell cycle involves the duplication of cellular contents excluding the chromosomes?

    <p>G1 Phase</p> Signup and view all the answers

    What is the main difference between malignant and benign tumors in terms of growth and invasiveness?

    <p>Malignant tumors are invasive and spread to other tissues, while benign tumors remain localized</p> Signup and view all the answers

    Which phase of the cell cycle is characterized by the condensation of DNA into more distinct forms?

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

    What occurs during cytokinesis in plant cells?

    <p>The cytoplasm divides, but the cell wall prevents complete separation of the daughter cells</p> Signup and view all the answers

    What distinguishes cancer cells from normal cells in terms of growth inhibition signals?

    <p>Cancer cells do not respond to growth inhibition signals</p> Signup and view all the answers

    What is the primary role of mitosis in cell division?

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

    What is the role of the centromere in a duplicated chromosome?

    <p>Holding sister chromatids together until anaphase</p> Signup and view all the answers

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

    <p>S Phase</p> Signup and view all the answers

    What is the primary function of the S Phase in the cell cycle?

    <p>To duplicate each chromosome, ensuring each new cell has the correct amount of genetic information.</p> Signup and view all the answers

    Which phase of the cell cycle is most impacted by the surface area to volume ratio?

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

    What event marks the conclusion of the G2 phase of interphase?

    <p>The cell has produced new proteins and is ready to enter mitosis.</p> Signup and view all the answers

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

    <p>To allow for DNA replication and transcription.</p> Signup and view all the answers

    Which phase of mitosis involves the formation of a mitotic spindle?

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

    What is one of the primary functions of mitosis in unicellular organisms like bacteria and protists?

    <p>To allow for the reproduction of unicellular organisms.</p> Signup and view all the answers

    What is the primary role of the centrosome during animal cell mitosis?

    <p>To organize the mitotic spindle, ensuring the proper separation of chromosomes.</p> Signup and view all the answers

    What is the primary concern in cancer research?

    <p>Developing new cancer treatments.</p> Signup and view all the answers

    Which phase of plant cell mitosis is affected by the presence of the cell wall?

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

    What is a potential consequence of a tumor disrupting the function of surrounding normal cells?

    <p>The tumor may disrupt the normal function of surrounding cells, leading to impaired physiological processes.</p> Signup and view all the answers

    What is the primary role of the centrosome during animal cell mitosis?

    <p>To control the movements of chromosomes during mitosis</p> Signup and view all the answers

    Which of the following is a significant difference between carcinomas and sarcomas?

    <p>Carcinomas originate from epithelial cells, while sarcomas originate from mesenchymal cells</p> Signup and view all the answers

    When does the G0 phase occur in the cell cycle, and what is its significance?

    <p>The G0 phase occurs when the cell is not actively dividing and is in a quiescent state</p> Signup and view all the answers

    What is a potential consequence of a tumor compressing and depriving surrounding normal cells of nutrients?

    <p>The deprived cells may undergo necrosis due to a lack of oxygen and nutrients</p> Signup and view all the answers

    What is the function of the centromere in a duplicated chromosome?

    <p>To facilitate the separation of sister chromatids during anaphase</p> Signup and view all the answers

    Which phase of the cell cycle involves the duplication of cellular contents excluding the chromosomes?

    <p>G1 phase</p> Signup and view all the answers

    What is the primary difference between the location of mitosis in plants and animals?

    <p>Plant cells undergo mitosis in the apical meristem and lateral meristem, while animal cells undergo mitosis in the bone marrow and basal layers of the skin.</p> Signup and view all the answers

    What is a unique feature of sarcomas compared to carcinomas and leukemia?

    <p>Sarcomas originate from connective or supportive tissues, while carcinomas originate from epithelial tissue, and leukemia originates from the bone marrow or blood.</p> Signup and view all the answers

    What is the primary concern in cancer research?

    <p>The primary concern in cancer research is understanding the underlying causes of cancer development.</p> Signup and view all the answers

    In which phase of plant cell mitosis are nuclear membranes reformed around each set of chromosomes?

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

    What allows for DNA replication and transcription to be performed efficiently during interphase?

    <p>The duplication of cellular contents during the S phase of interphase.</p> Signup and view all the answers

    What happens at the conclusion of the G2 Phase of interphase?

    <p>The cell enters the M phase, where mitosis occurs.</p> Signup and view all the answers

    What is a distinguishing feature of plant cell cytokinesis in comparison to animal cell cytokinesis?

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

    What is a primary characteristic of cancer cells in terms of growth inhibition signals?

    <p>They continue division despite signals</p> Signup and view all the answers

    Which type of tumor can spread to other tissues and throughout the body?

    <p>Malignant tumor</p> Signup and view all the answers

    What is a major factor contributing to the spread of cancer cells to different body parts?

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

    Which phase of the cell cycle involves crucial preparations for cellular division and growth?

    <p>G2 Phase</p> Signup and view all the answers

    What is a common misconception about cancer related to social beliefs?

    <p>'Fatalism' views cancer as an inevitable death sentence</p> Signup and view all the answers

    Which traditional remedy is mentioned in the text for supporting conventional cancer treatments?

    <p>'Cancer Bush' tea</p> Signup and view all the answers

    What is a key characteristic of carcinomas compared to sarcomas in terms of origin?

    <p>Originating in epithelial cells</p> Signup and view all the answers

    More Like This

    Cell Biology Quiz
    23 questions

    Cell Biology Quiz

    ThrillingTsilaisite avatar
    ThrillingTsilaisite
    The Cell Cycle and its Phases Quiz
    17 questions

    The Cell Cycle and its Phases Quiz

    HappierGreen avatar
    HappierGreen
    HFST 3 Opsomming: Seldeling
    149 questions

    HFST 3 Opsomming: Seldeling

    RaptOganesson avatar
    RaptOganesson
    Cell Cycle: Interphase and Mitosis
    40 questions

    Cell Cycle: Interphase and Mitosis

    SelfSatisfactionCanto avatar
    SelfSatisfactionCanto
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser