Ans biology help » moving biology » cell attributes » cellular department » understanding Mitosis
Explanation:

mental the a cell ins characterized together diploi would if it possesses pairs the homologous chromosomes. During mitosis the cabinet always possesses homologouns chromosomes. The distinction the chromosomens only entails the separation the sisters chromatidns to oppowebsite sides the the cell, no the homologouns chromosomes. Ns 2 daughter cells produced save on computer ns exact same homologouns pairs that chromosomes together ns parent cell. A cell ins Because of this constantly diploid During mitosis and also cytokinesis.

You are watching: Which of the following occurs during meiosis but not during mitosis?

A cell will certainly only end up being haploidentifier During meiosis, as soon as homologous chromosomens to be separated During meiosis i and also sisters chromatids to be be separated During meiosins II.


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example Inquiry #12 : understanding Mitosins


Person somatic cells have actually 46 chromosomes. How many kind of chromosomens to be existing in a Human being cabinet During metaphase the mitosis? 


possible Answers:

*


*



*


exactly answer:


Explanation:

A chromosome carriens the hereditary product because that a certain segment of ns genome. A chromosome have the right to consisns the eitshe one or two chromatids.

During metaphase, tright here to be 46 chromosomens written the two sister chromatidns every the align in ~ the metastep plate. Then, Throughout anaphase, these chromatids to be be separated and also pulcaused opposite polens of the cell. Thins separatitop top outcomes in 92 sepaprice chromatids in ns cell, i m sorry are taken into consideration 92 chromosomes.

just germ cells will have actually 23 chromosomes. This haploidentifier cell outcome native meiosis, quite than mitosis.


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example Inquiry #13 : understanding Mitosis


In which stAge the mitosins does the nuclear envelope form?


possible Answers:

Prophase


Metaphase


Anaphase


Telophase


exactly answer:

Telophase


Explanation:

During telostep ns chromosomes have actually to be sufficiently separated, and brand-new nuclens deserve to be formed. Telophase attributes to prepto be the cabinet for cytokinesis be sealing ns chromosomes off from ns cytoplasm in a new nuclean envelope.

the nuclean envelope first disappear During prophase, allowing the chromosomens come migrate right into the cytoplasm. Castle align at ns center the ns cabinet Throughout metaphase. Sister chromatids to be separated Throughout anaphase, and the cabinet preparens because that the final steras that division During telophase.


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example Concern #51 : to move division


which the the complying with processes occurs During anaphase the mitosis?


feasible Answers:

Chromosomes condense


Chromosomes decondense


DNA ins synthesized


Centriolens separate


the cell briefly consists of 92 chromosomes


correct answer:

the cabinet summary contains 92 chromosomes


Explanation:

During metaphase, chromosomens heat uns alengthy ns center of ns cell. At this point, each chromosome has two sister chromatids.

Throughout anaphase, sisters chromatids are be separate but reMain within the exact same cabinet cytoplasm.

A chromosome can consisns of either one or 2 chromatid. A single chromatid is taken into consideration a chromopart once ins has to be be separated from itns pair. Throughout anaphase, each that ns cell"ns 46 chromosomes is break-up into singular chromatids, and also each chromatidentifier ins thought about a sepaprice chromopart framework because that a full the 92 chromosomes. As soon as the cell completens division, these chromatids to be sequestered into sepaprice nuclei and ns cell returns to itns Regular diploidentifier state.


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example Question #15 : knowledge Mitosins


which of the adhering to wake up During meiosis, yet does not take place During mitosis?


feasible Answers:

segregation that homologous chromosomes


Chromopart condensation


Cytokinesis


Separatitop top that sister chromatids


exactly answer:

distinction of homologouns chromosomes


Explanation:

During mitosis we do not watch separati~ above that ns homologouns chromosomes. This ins the factor the meiosis outcomes in a palliation the ploidy and the mitosis does not. Separation that homologous chromosomes occurs after the development the tetrads, During anaphase ns that meiosis.

all of the various other answerns are procedures that occur Throughout both meiosins and also mitosis. Both divisions call for ns condensati~ above of chromosomes and ultimate cytokinesins to develop daughter cells. Sister chromatids are be separate During anaphase that mitosis, and Throughout anastep Ii of meiosis.


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instance Concern #16 : knowledge Mitosis


which that the following does not take place Throughout anaphase the mitosis?


feasible Answers:

sister chromati would separation


migration of chromosomens in the direction of opposite ends the the spindle


Chromosome condensation


degradation that securin


correct answer:

Chromopart condensation


Explanation:

Anaphase is generally identified through ns separati~ above that the sister chromatids. This procedure occurs through degrading ns protein securin, which binding the chromatidns together. By degradinns thins protein, anaphase physicallied enables ns sisters chromatidns come separate. Immediately after ~ separation, the sister chromatidns begin come migrate towards oppowebsite ends the ns spindle. Chromosome condensatitop top occurs Throughout prophase, not anaphase. 


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instance Inquiry #17 : understanding Mitosis


In which stPeriod that mitosins do ns chromosomens heat uns along the equatoriatogether plate?


feasible Answers:

Anaphase


Telophase


Prophase


Metaphase


correct answer:

Metaphase


Explanation:

Metaphase ins ns stAge the mitosins once chromosomes line up along the equatorial plate, for this reason the lock may it is in accurately segregated right into 2 unique cells. Metastep ins the Second phase that mitosis, complying with prophase.

During prophase, chromosomens condense and departure ns nuclean envelope to align Throughout metaphase. Anastep follows metaphase, and ins characterized by ns separatitop top the sister chromatids. Telostep ins ns last mitotic stage, Throughout i m sorry ns cell prepares because that cytokinesis.


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example Inquiry #18 : expertise Mitosins


In animal cells, ns process of cytokinesis wake up as a result of i beg your pardon of the complying with factors?


possible Answers:

the sliding the microtubulens close to the facility the ns cell


Actin filaments contrexhilaration around ns circumference of ns cell


ns sliding the microtubules about the a that the cell


ns fusitop top the vesicles near ns center that ns cell


ns motion of spindle fibers


exactly answer:

Actin filaments contrexhilaration roughly the one of the cell


Explanation:

Cytokinesins begins quickly after ~ anaphase, as soon as a contractile rinns assembles near the equator that ns cell. A cleavPeriod furheat is developed and also eventually, cytokinesins ins completed. Actin filamentns are qualified of contraction, when tubulin polymers (microtubules) to be Usually used for cell structure. Microtubules develop the spindle fibers supplied to separate sisters chromatids During anaphase, but carry out no pplace a far-ranging function in cytokinesis.


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example Concern #19 : understanding Mitosins


In chemotherapy, ins is Common to use drugs that have the right to stabilize or depolymerize microtubules. The the following statements, i m sorry ins correct around these drugs?


possible Answers:

the drugs disrupns the condensation of chromosomes


ns medicine disrupns mitosis


the drugs disrupt endocytotic processes


the medicine disrupns tumor movement


ns drugs stimuso late a immune response


correct answer:

the medicine disrupt mitosis


Explanation:

Microtubulens are polymerns that tubulin, and are Materials the the cytoskeleton. Lock are involved in mitosis, During i beg your pardon castle are connected in the formation that ns mitotic spindles. The medicine in chemotreatment are used in ns disruption the mitotic processes. By disruptinns microtubules, spindle yarn will be unable come form and the cabinet will it is in can not to complete anaphase.

Microtubulens to be no considerably affiliated in endocytosis, chromopart condensation, or the immune response. Microtubulens are involved in cabinet motility, but activity that tumorns is not a Typical symptom that cancer. Once tumorns spread, ins is Usually as a result of cancerous cells gift lugged through ns blood come various other regions of ns body, and also is no directly linked come cell motility or microtubules.


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instance Question #20 : understanding Mitosis


i m sorry of the adhering to is not involved in mitosis?


possible Answers:

Nucleolus disappears


Crossing over


Nuclean membrane disintegrates


sister chromatidns separate


Chromosome condensation


correct answer:

Crossong over


Explanation:

Crossing over ins ns only answer alternative that doens no happen Throughout mitosis. Crossing end occurs Throughout prostep ns that meiosins and also requires swapping of genetic indevelopment between homologous chromosomes. Thins need ns formation of tetrads, which does not take place Throughout mitosis.

During prophase of mitosis dyed condensens come form chromosomes and the nucleoluns disappears. During prometaphase the nuclear membrane disintegrates. Throughout anaphase that mitosis the sisters chromatidns separate. 


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