30 A cell with four chromosomes undergoes a cell cycle including mitosis. which diagram correctly shows the changes in chromatid number during interphase? 2 chromatids 4 chromatids 4 chromatids 8 chromatids S phase S phase S phase S phase cell mitosis \division cell cell cell mitosis mitosis mitosis division division division 4 chromatids 2 chromatids 8 chromatids 4 chromatids B

30 A cell with four chromosomes undergoes a cell cycle including mitosis. which diagram correctly shows the changes in chromatid number during interphase? 2 chromatids 4 chromatids 4 chromatids 8 chromatids S phase S phase S phase S phase cell mitosis \division cell cell cell mitosis mitosis mitosis division division division 4 chromatids 2 chromatids 8 chromatids 4 chromatids B

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter10: Cell Reproduction

Section: Chapter Questions

Problem 14RQ: The chromosomes become visible under a light microscope during which stage of mitosis? prophase...

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Figure 10.6 Which of the following is the correct order of events in mitosis? Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the mitotic spindle. The nucleus reforms and the cell divides. Cohesin proteins break down and the sister chromatids separate. The kinetochore becomes attached to the mitotic spindle. Cohesin proteins break down and the sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the cohesin proteins. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus reforms and the cell divides. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. Cohesin proteins break down and the sister chromatids separate. The nucleus reforms and the cell divides.
The mitotic spindles arise from which cell structure? centromere centroscme kinetochore cleavage furrow
If the M checkpoint is not cleared, what stage of mitosis will be blocked? prophase prometaphase metaphase anaphase
Match the phase of cell division with the following diagrams. In these cells, 2n = 4. a. anaphase of meiosis I b. interphase of mitosis c. metaphase of mitosis d. metaphase of meiosis I e. metaphase of meiosis II
Match each stage with the events listed. ___ metaphase a. sister chromatids move apart ___ prophase b. chromosomes condense ___ telophase c. new nuclei form ___ interphase d. chromosomes aligned midway between spindle poles ___ anaphase e. G1, S, G2 ___ cytokinesis f. cytoplasmic division
S. Chromosomes are duplicated during what stage of the cell cycle? G1 phase S phase prophase prometaphase
Separation of the sister chromatids is a characteristic of which stage of mitosis? prometaphase metaphase anaphase telophase
The chromosomes become visible under a light microscope during which stage of mitosis? prophase prometaphase metaphase anaphase
Select true or false for each of the following statements regarding anaphase I. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse
Select true or false for each of the following statements regarding anaphase II. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse Non-kinetochore microtubules lengthen the cell. Answertruefalse
A diploid cell has 4C genetic material and 16 chromosomes at the start of cell division. Identify number of set/s of chromosomes per cell after mitosis, number of set/s of chromosomes at Telophase 1, and number of chromosomes per cell at Telophase 1.
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