Which of the following is a function of the spindle microtubules that do not attach to kintochores? Pushing the poles of the spindles farther apart from one another Maintaining a protective barrier between the chromosomes and the rest of the cell parts after the nucleus fragments Providing the ATP needed by the microtubules attached to the kinetochores Producing a cleavage furrow when telophase in complete Maintaining an appropriate spacing among the moving chromosomes

Which of the following is a function of the spindle microtubules that do not attach to kintochores? Pushing the poles of the spindles farther apart from one another Maintaining a protective barrier between the chromosomes and the rest of the cell parts after the nucleus fragments Providing the ATP needed by the microtubules attached to the kinetochores Producing a cleavage furrow when telophase in complete Maintaining an appropriate spacing among the moving chromosomes

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 1VCQ: Figure 10.6 Which of the following is the correct order of events in mitosis? Sister chromatids line...

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The centromeric connections between chromatids fail to be severed. Kinetochores from sister chromatids become attached to microtubules from the same pole. A motor protein at the kinetochore is not functional. The chromosomes fail to attach to the kinetochore microtubules. Chromosomes will not move to the metaphase plate. Chromatids will not separate during anaphase. One kinetochore will detach from the spindle. Chromosomes will not move toward centrosome during prometaphase.
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
Which of the following centers the chromosomes along the microtubules and orients the spindle during congression? Kinesin 13 Dynein-dynactin complex Kinesin 7 Kinesin 4 << Previous
During anaphase of Mitosis, how do the chromosomes travel to the opposite ends of a dividing cell? O the centrosomes are constantly digesting spindle fibers making it shorter pulling the chromosomes nearer to the opposite ends of the cell the chromosomes are constantly traveling down the spindle fibers by digesting the fibers at the kinetochore O the chromosomes are twisting the spindle fibers making it shorter so that they may travel closer to the centrosome the centrosomes "reel" in the chromosomes using the attached spindle fibers
The structure that gives terminal : stability of chromosomes is Kintochore O Centromere and telomeres Centromere O telomere O
The cells bellow are in the process and stages as indicated. Each cell has a 2n # of 6. In the cells below show all of the chromosomes and their proper location and draw and label the metaphase plate, kinetochore, spindle, centrosomes, homologous chromosomes, microtubules, DNA, sister chromatids, centromere MITOSIS (Metaphase) Total number of chromosomes Total number of homologous pairs of chromosomes MEIOSIS (Metaphase I)
Which event occurs in S-phase? prastrca Mitotic spindle is created. O Normal growth and cell function Energy stores are replenished Karyokinesis None of the above
Which of the following is true regarding kinesin 4? O it is located on chromosomes that are not attached to microtubules O it is found on microtubules near the plasma membrane it is located on the microtubules at the centrioles O it is located at the DNA kinetochore O it is located on the tips of DNA chromosomes and attach to polar microtubules
describe the appearance of DNA, spindle fibers and location of the chromosomes in Onion root tip cell during metaphase please describe the appearance and location, do not state the process do not copy from google please
Which of the following facilitate chromosome separation during anaphase of mitosis? All of these facilitate chromosome separation. kinesin 13 - directed kinetochore microtubule depolymerization kinetochore microtubule shrinkage at the plus end dynein-dynaction motor protein- directed forces ◄ Previous Next ▸ (6L) NI S'8 X NI S'S SHO
Which of the following best describes the kinetochore? the core of proteins that forms the metaphase plate in a dividing cell a structure composed of several proteins that associate with the centromere region of a chromosome and that can bind to spindle microtubules the ring of actin microfilaments that will cause the appearance of the cleavage furrow the centromere region of a metaphase chromosome at which the DNA can bind with spindle proteins
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