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Why is it more accurate to mitosis nuclear replication rather than cellular division?
In definision, mitosis is division of the nucleus and not the cell (cytokenesis is the division of the cytoplasm. Mitosis involves the the Prophase, Metaphase, Anaphase, and Telophase. These phases only replicate the nucleus and not the whole cell. Cytokenesis, however, involves the replication or sharing of all the other organelles. Have fun on the AP Bio Lab.
What is the difference between daughter cells produced by mitosis and daughter cells produced by mitosis?
Amitosis is nuclear division occurring without symmetry, and as such is a rather random type of division with without proper structure. Mitosis and Meiosis do differ in the number of daughter cells, mitosis with 2 and meiosis with 4. This, however, is also not a fair comparison, as mitosis and meiosis result in different types of cells.
Why does meiosis involve two nuclear divisions rather than one as in mitosis?
Meiosis involves two nuclear divisions—meiosis I and meiosis II—because it is designed to produce haploid gametes from a diploid cell. The first division (meiosis I) separates homologous chromosomes, reducing the chromosome number by half, while the second division (meiosis II) separates sister chromatids, similar to mitosis. This two-step process ensures genetic diversity through recombination and independent assortment, ultimately resulting in four genetically distinct haploid cells.
How many minutes does inter-phase take in mitosis?
Interphase is not a part of mitosis; rather, it is the phase of the cell cycle that occurs before mitosis. It typically lasts much longer than mitosis itself, often taking several hours to days depending on the cell type. Mitosis, which includes prophase, metaphase, anaphase, and telophase, usually takes about 30 minutes to a few hours in total. Interphase consists of three stages: G1, S, and G2, during which the cell grows, replicates its DNA, and prepares for division.
Are centrosome a cell division?
Centrosomes are not a form of cell division but rather serve as key cellular structures involved in organizing microtubules during cell division. They play a crucial role in forming the mitotic spindle, which helps separate chromosomes during mitosis and meiosis. Each centrosome consists of a pair of centrioles and is essential for proper cell cycle progression. Thus, while they are vital for the process of cell division, they are not a type of division themselves.
Why is it more accurate to mitosis nuclear replication rather than cellular division?
In definision, mitosis is division of the nucleus and not the cell (cytokenesis is the division of the cytoplasm. Mitosis involves the the Prophase, Metaphase, Anaphase, and Telophase. These phases only replicate the nucleus and not the whole cell. Cytokenesis, however, involves the replication or sharing of all the other organelles. Have fun on the AP Bio Lab.
What is the difference between daughter cells produced by mitosis and daughter cells produced by mitosis?
Amitosis is nuclear division occurring without symmetry, and as such is a rather random type of division with without proper structure. Mitosis and Meiosis do differ in the number of daughter cells, mitosis with 2 and meiosis with 4. This, however, is also not a fair comparison, as mitosis and meiosis result in different types of cells.
Why is it more accurate to call mitosis nuclear replication rather than cellular division?
In definision, mitosis is division of the nucleus and not the cell (cytokenesis is the division of the cytoplasm. Mitosis involves the the Prophase, Metaphase, Anaphase, and Telophase. These phases only replicate the nucleus and not the whole cell. Cytokenesis, however, involves the replication or sharing of all the other organelles. Have fun on the AP Bio Lab.
How does the paramecium reproduces?
Paramecium reproduces through mitosis, since it is a single celled Eukaryote. I suppose it is not called "mitosis," but rather "asexual reproduction," but it uses the same processes.
Why does meiosis involve two nuclear divisions rather than one as in mitosis?
Meiosis involves two nuclear divisions—meiosis I and meiosis II—because it is designed to produce haploid gametes from a diploid cell. The first division (meiosis I) separates homologous chromosomes, reducing the chromosome number by half, while the second division (meiosis II) separates sister chromatids, similar to mitosis. This two-step process ensures genetic diversity through recombination and independent assortment, ultimately resulting in four genetically distinct haploid cells.
Is spindle a organ in cell?
No, a spindle is a structure formed during cell division (mitosis) to help separate chromosomes. It is not an organ, but rather a network of microtubules that helps move and segregate chromosomes during cell division.
When do nuclear envelopes divide?
During cell division, the nuclear envelope doesn't really "divide", but rather it dissolves away to allow the chromosomes to line up to initiate metaphase.
Why do some scientists not think interphase is a phase of mitosis?
Some scientists do not consider interphase a phase of mitosis because interphase is the stage of the cell cycle where the cell prepares for mitosis, rather than actively dividing. During interphase, the cell undergoes growth, DNA replication, and preparation for division, but it does not involve the processes of chromosome alignment, separation, or cytokinesis that characterize mitosis. Therefore, interphase is seen as a preparatory phase rather than a part of the actual mitotic process.
Anaphase is the stage of cell division when the cleavage furrow first appears?
No, anaphase is the stage of cell division when the chromosomes are pulled and pushed apart and head to opposite polls of the cell. Infact Anaphase is the stage of nuclear division rather than cell division and cell division is achieved by cytokinesis which may be by cell plate formation (as in case of many plants) or by furrowing (as in case of animal cells).
What Cells are part of the Cell cycle but not a part of mitosis?
Sex cells, or germ cells; in females the eggs, and in males the sperm. They go through meiosis, and unlike in mitosis are only haploid, so they only have one copy of the genetic material, so that when they meet with another germ cell, they form a diploid zygote.
How many minutes does inter-phase take in mitosis?
Interphase is not a part of mitosis; rather, it is the phase of the cell cycle that occurs before mitosis. It typically lasts much longer than mitosis itself, often taking several hours to days depending on the cell type. Mitosis, which includes prophase, metaphase, anaphase, and telophase, usually takes about 30 minutes to a few hours in total. Interphase consists of three stages: G1, S, and G2, during which the cell grows, replicates its DNA, and prepares for division.
Are centrosome a cell division?
Centrosomes are not a form of cell division but rather serve as key cellular structures involved in organizing microtubules during cell division. They play a crucial role in forming the mitotic spindle, which helps separate chromosomes during mitosis and meiosis. Each centrosome consists of a pair of centrioles and is essential for proper cell cycle progression. Thus, while they are vital for the process of cell division, they are not a type of division themselves.
