Centrioles at opposite end of cell Spindle fibres attached to centromeres 46 double stranded chromosomes lined up along the metaphase plate Diploid cell 2n = ANAPHASE Centrioles at opposite poles Spindle fibres attaches to centromeres of the single stranded chromosomes 46 chromosomes get separated - 46 chromatids get pulled to each pole by spindle fibres Diploid cell 2n =

Centrioles at opposite end of cell Spindle fibres attached to centromeres 46 double stranded chromosomes lined up along the metaphase plate Diploid cell 2n = ANAPHASE Centrioles at opposite poles Spindle fibres attaches to centromeres of the single stranded chromosomes 46 chromosomes get separated - 46 chromatids get pulled to each pole by spindle fibres Diploid cell 2n =

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter11: How Cells Reproduce

Section: Chapter Questions

Problem 15SA: Match each stage with the events listed. ___ metaphase a. sister chromatids move apart ___ prophase...

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Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the initotic spindle. The nucleus re-forms and the cell divides. The sister chromatids separate. b. The kinetochore becomes attached to the mitotic spindle. The sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus re-forms and the cell divides. c. The kinetochore becomes attached to metaphase plate. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus re-forms and the cell divides. d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. The kinetochore breaks apart and the sister chromatids separate. The nucleus re-forms and the cell divides.
The mitotic spindles arise from which cell structure? centromere centroscme kinetochore cleavage furrow
МЕТАРНASЕ Centrioles at opposite end of cell Spindle fibres attached to centromeres 46 double stranded chromosomes lined up along the metaphase plate Diploid cell 2n = ΑΝΑΡΗΑASE Centrioles at opposite poles Spindle fibres attaches to centromeres of the single stranded chromosomes 46 chromosomes get separated - 46 chromatids get pulled to each pole by spindle fibres Diploid cell 2n =
Prophase I Metaphase I Anaphase I Telophase 1 + Cytokinesis Prophase II Metaphase II Anaphase II Telophase II + Cytokinesis TI +cytokinesis MI AI A: TI PTT AI PI homologous chromosomes line up in the center of the cell spindle fibers pull homologous pairs apart to ends of the cell 4 haploid (1N) daughter cells form sister chromatids separate from each other 2 haploid (1N) daughter cells form nuclear membrane dissolves in these haploid (1N) cells individual chromatids move to each end of the cell crossing-over (if any) occurs 44. What is a zygote? Diploid cell formed by the fusion of 2 haploid gametes during tabilization 45. How does sexual reproduction (fertilization) increase diversity of a species? 46. What is a karyotype? Chromosomes found in cells, systematic arrangement acendy to size, shape 47. What is the difference between autosomes and sex chromosomes? Not involved in determing sex 48. What can sex chromosomes usually determine? 49. a. What is "trisomy" and "monosomy"?…
Mitosis Meiosis Definition Prophase Metaphase Anaphase Telophase Prophase I Metaphase I Anaphase I Telophase I Prophase II Metaphase II Anaphase II Telophase II Steps of each phase Number of cell divisions Number of cells produced *How many chromosomes per 46 daughter cell? * Mitosis starts with 46 chromosomes in each parent cell, and then ends with 46 chromosomes in each daughter cell. Cells divide onl once in Mitosis, but they divide twice during Meiosis, so we should end with half as many chromosomes in Meiosis vs Mitosis.
Various stages of cell division Growing spindle fibres Disappearing nuckar membrane Centrio les migrate toward poles Replicated chromosome
In Coleus , the somatic cells are diploid with 24 chromosomes. How many of each of the following is present in each cell at the stage of mitosis and meiosis indicated below? kinetochore at prophase chromosomes at anaphase chromatids at metaphase 1 chromosomes at telophase after cytokinesis centromeres at anaphase chromosomes at telophase II after cytokinesis centromere at anaphase I chromatids at metaphase
Indicate the stage of mitosis (interphase = I, prophase = P, metaphase = M, anaphase = A, telophase = T) during which each of the following events occur. chromatid doublets separate to individual chromosomescentriole replicatesreplicated chromosomes (chromatid doublets) are arranged in single file next to one another at the cell's equatornuclear membrane is disappearingspindle fibers form and become visiblecell plate (plant) or cleavage furrow (animal) forms and is visiblechromosomes are at opposite poles of the cell; cytokinesis is almost completedchromosomes (chromatids) first become visible as long thin strandsDNA (chromosome) replication occurs
During meiosis, homologous sets of four chromatids are lined up along the cell's equator, attached to spindle fibers. Which of the following processes will happen next? Top of Form Anaphase I Telophase II Prophase I Metaphase II
Which statement is likely true given the infomation in the diagram? Net1 Cdc20 APC АРС Cdc5/Polo Cdc14 -- Cdc20 APC АРС Hct1 Hct1 Lag Mad2 Cdc20 Hct1 Cdc14 APC APC Incomplete spindle Sict Sic1 В Cdk1-cyclin Anaphase inhibitors Mitotic cyclins S/G2 Metaphase Anaphase Spindle disassembly Cytokinesis DNA re-replication O Cdc5/Polo is a phosphatase. O An overactive, gain of function mutation in Mad2 would cause metaphase arrest. O A overactive, gain of function mutation in Cdc14 would cause prolonged metaphase or metaphase arrest. O The outcome of Cdh1/Hct1 activity is a rapid rise in MPF/M-CdkC activity. H-1
Please match the stage of M-Phase with the correct process occurring during that time. sister chromatid separation early mitotic spindle nuclear envelope breakdown chromosomes align in the middle of the cell chromosome condensation nuclear envelope reforms ✓ [Choose ] prophase metaphase prometaphase telophase anaphase [Choose ] [Choose ] [Choose ] [Choose ]
Match the phases of meiosis with the correct description Metaphase I [ Choose ] [Choose ] Sister chromatids line up along the center of the cell. Cytokinesis produces four unique daughter cells, spindle dissolve, and the nuclear envelope reappears. Spindle fibers pull homologous pairs of chromosomes apart. Nuclear envelopes of daughter cells dissolve, and chromosomes condense. Spindle fibers pull sister chromatids apart. Homologous pairs of chromosomes line up at the center of the cell in tetrads. Cytokinesis produces two daughter cells, spindle dissolves, and nuclear envelope reappears. Nuclear envelope dissolves, DNA condenses and crossing over occurs. Anaphase II Prophase I Telophase I [Choose ] Prophase II [ Choose ] Telophase II [ Choose ] Anaphase I [ Choose ] Metaphase II [ Choose ] > > >