Cell Division Quick Quiz

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True or false questions on mitosis and meiosis.

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Jaylin Vielka Garcia

Estados Unidos

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Cell Division Quick Quiz


Cell Division Quick QuizVersión en línea True or false questions on mitosis and meiosis. por Jaylin Vielka Garcia 1 Cancer cells often lose normal cell cycle controls and can form tumors. Yes No 2 MPF is a cyclin-Cdk complex that triggers the cell’s passage past the G2 checkpoint into M phase. Yes No 3 During prophase, chromosomes condense and become visible under a light microscope. Yes No 4 In plant cells, the cleavage furrow is formed to separate daughter cells during cytokinesis. Yes No 5 G2 checkpoint ensures that DNA replication has completed before entering mitosis. Yes No 6 Cyclins and cyclin-dependent kinases (Cdks) regulate the cell cycle. Yes No 7 The cell cycle is regulated by a molecular control system with checkpoints. Yes No 8 DNA replication occurs during meiosis II. Yes No 9 Plant cells perform cytokinesis through cleavage furrow formation in all cases. Yes No 10 Crossing over produces recombinant chromosomes, which combine DNA inherited from each parent. Yes No 11 Mitosis results in four genetically identical daughter cells. Yes No 12 All cancer cells always respond to growth factors and normal regulatory signals. Yes No 13 Mitosis occurs only in plant cells and never in animal cells. Yes No 14 Fertilization does not involve the fusion of gametes. Yes No 15 Crossing over occurs after meiosis II. Yes No 16 Random fertilization and crossing over both contribute to genetic variation. Yes No 17 Meiosis produces clones that are genetically identical to the parent organism. Yes No 18 Gametes are the only haploid cells, produced by meiosis. Yes No 19 G1 checkpoint helps determine whether a cell will progress through the cycle. Yes No 20 Cytokinesis occurs before mitosis in the cell cycle. Yes No 21 Cohesins hold sister chromatids together until they are separated in anaphase. Yes No 22 The mitotic spindle forms only after the nuclear envelope breaks down in prophase. Yes No 23 The G0 phase is a state of permanent cell cycle entry for all dividing cells. Yes No 24 A zygote immediately becomes a multicellular organism without mitotic divisions. Yes No 25 During metaphase, chromosomes are randomly distributed to poles without alignment. Yes No 26 In animal cells, cytokinesis occurs by cleavage to form a cleavage furrow. Yes No 27 Chromosomes condense after the onset of cytokinesis. Yes No 28 The cell cycle clock operates independently of cyclins and Cdks. Yes No 29 In plant cells, cytokinesis occurs by the formation of a cell plate. Yes No 30 The mitotic spindle includes the centrosomes, spindle microtubules, and the asters. Yes No 31 The number of chromosome sets remains constant throughout meiosis. Yes No 32 Meiosis II reduces the chromosome number from haploid to diploid. Yes No 33 Sister chromatids separate during metaphase II rather than anaphase II. Yes No 34 Nonkinetochore microtubules from opposite poles overlap and push against each other during anaphase. Yes No 35 Meiosis reduces the number of chromosome sets from diploid to haploid. Yes No 36 If a cell receives a go-ahead signal at the G1 checkpoint, it will usually complete the S, G2, and M phases and divide. Yes No 37 Cytokinesis completes cell division by dividing the cytoplasm after mitosis. Yes No 38 Kinetochores are protein complexes associated with centromeres that attach microtubules. Yes No 39 Mitosis is conventionally broken down into five stages: prophase, prometaphase, metaphase, anaphase, and telophase. Yes No 40 Anchorage dependence requires cells to be attached to a substratum to divide. Yes No 41 Meiosis I includes prophase I, metaphase I, anaphase I, and telophase I followed by cytokinesis. Yes No 42 Malignant tumors invade surrounding tissues and can metastasize to distant sites. Yes No 43 The cell cycle can be halted at multiple checkpoints to ensure proper division. Yes No 44 External growth factors can influence cell division, including platelet-derived growth factor (PDGF). Yes No 45 Independent assortment leads to a combinatorial increase in possible gamete genotypes. Yes No 46 In anaphase, sister chromatids remain attached at the centromere and do not separate. Yes No 47 The G1 checkpoint is the only checkpoint in the cell cycle. Yes No 48 Independent assortment does not contribute to genetic variation in offspring. Yes No 49 All somatic cells are haploid. Yes No 50 Kinetochore microtubules are not involved in chromosome movement during metaphase. Yes No 51 Density-dependent inhibition helps regulate cell division by preventing overcrowding. Yes No 52 During metaphase, chromosomes line up at the metaphase plate midway between the two poles. Yes No 53 Binary fission is the process used by eukaryotic cells to divide. Yes No 54 Sister chromatids separate and move toward opposite poles during anaphase. Yes No 55 Most cell divisions in somatic cells are accompanied by mitosis and cytokinesis. Yes No 56 The nucleus remains intact during all stages of mitosis. Yes No 57 The Pac-Man mechanism describes microtubule depolymerization at kinetochores during anaphase. Yes No 58 In meiosis II, sister chromatids separate just like in mitosis. Yes No 59 Kinetochore microtubules shorten by depolymerizing at the polymerase ends during anaphase. Yes No 60 Crossing over occurs during metaphase II. Yes No 61 Meiosis reduces the chromosome number from diploid to haploid, producing nonidentical daughter cells. Yes No 62 Mitosis is conventionally broken down into five stages: prophase, prometaphase, metaphase, anaphase, and telophase. Yes No

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Cell Division Quick QuizVersión en línea

por Jaylin Vielka Garcia

Cancer cells often lose normal cell cycle controls and can form tumors.

MPF is a cyclin-Cdk complex that triggers the cell’s passage past the G2 checkpoint into M phase.

During prophase, chromosomes condense and become visible under a light microscope.

In plant cells, the cleavage furrow is formed to separate daughter cells during cytokinesis.

G2 checkpoint ensures that DNA replication has completed before entering mitosis.

Cyclins and cyclin-dependent kinases (Cdks) regulate the cell cycle.

The cell cycle is regulated by a molecular control system with checkpoints.

DNA replication occurs during meiosis II.

Plant cells perform cytokinesis through cleavage furrow formation in all cases.

Crossing over produces recombinant chromosomes, which combine DNA inherited from each parent.

Mitosis results in four genetically identical daughter cells.

All cancer cells always respond to growth factors and normal regulatory signals.

Mitosis occurs only in plant cells and never in animal cells.

Fertilization does not involve the fusion of gametes.

Crossing over occurs after meiosis II.

Random fertilization and crossing over both contribute to genetic variation.

Meiosis produces clones that are genetically identical to the parent organism.

Gametes are the only haploid cells, produced by meiosis.

G1 checkpoint helps determine whether a cell will progress through the cycle.

Cytokinesis occurs before mitosis in the cell cycle.

Cohesins hold sister chromatids together until they are separated in anaphase.

The mitotic spindle forms only after the nuclear envelope breaks down in prophase.

The G0 phase is a state of permanent cell cycle entry for all dividing cells.

A zygote immediately becomes a multicellular organism without mitotic divisions.

During metaphase, chromosomes are randomly distributed to poles without alignment.

In animal cells, cytokinesis occurs by cleavage to form a cleavage furrow.

Chromosomes condense after the onset of cytokinesis.

The cell cycle clock operates independently of cyclins and Cdks.

In plant cells, cytokinesis occurs by the formation of a cell plate.

The mitotic spindle includes the centrosomes, spindle microtubules, and the asters.

The number of chromosome sets remains constant throughout meiosis.

Meiosis II reduces the chromosome number from haploid to diploid.

Sister chromatids separate during metaphase II rather than anaphase II.

Nonkinetochore microtubules from opposite poles overlap and push against each other during anaphase.

Meiosis reduces the number of chromosome sets from diploid to haploid.

If a cell receives a go-ahead signal at the G1 checkpoint, it will usually complete the S, G2, and M phases and divide.

Cytokinesis completes cell division by dividing the cytoplasm after mitosis.

Kinetochores are protein complexes associated with centromeres that attach microtubules.

Mitosis is conventionally broken down into five stages: prophase, prometaphase, metaphase, anaphase, and telophase.

Anchorage dependence requires cells to be attached to a substratum to divide.

Meiosis I includes prophase I, metaphase I, anaphase I, and telophase I followed by cytokinesis.

Malignant tumors invade surrounding tissues and can metastasize to distant sites.

The cell cycle can be halted at multiple checkpoints to ensure proper division.

External growth factors can influence cell division, including platelet-derived growth factor (PDGF).

Independent assortment leads to a combinatorial increase in possible gamete genotypes.

In anaphase, sister chromatids remain attached at the centromere and do not separate.

The G1 checkpoint is the only checkpoint in the cell cycle.

Independent assortment does not contribute to genetic variation in offspring.

All somatic cells are haploid.

Kinetochore microtubules are not involved in chromosome movement during metaphase.

Density-dependent inhibition helps regulate cell division by preventing overcrowding.

During metaphase, chromosomes line up at the metaphase plate midway between the two poles.

Binary fission is the process used by eukaryotic cells to divide.

Sister chromatids separate and move toward opposite poles during anaphase.

Most cell divisions in somatic cells are accompanied by mitosis and cytokinesis.

The nucleus remains intact during all stages of mitosis.

The Pac-Man mechanism describes microtubule depolymerization at kinetochores during anaphase.

In meiosis II, sister chromatids separate just like in mitosis.

Kinetochore microtubules shorten by depolymerizing at the polymerase ends during anaphase.

Crossing over occurs during metaphase II.

Meiosis reduces the chromosome number from diploid to haploid, producing nonidentical daughter cells.

Mitosis is conventionally broken down into five stages: prophase, prometaphase, metaphase, anaphase, and telophase.