Please help with these quickly. Which of the following would help achieve correct spindle orientation duringasymmetric cell division?Spindle interaction with microtubule destabilizing proteinsSpindle interaction with the polarity protein complexO Spindle interaction with microtubule stabilizing proteinsAll of the answers would help achieve correct spindle orientationSpindle interaction with both microtubule destabilizing and stabilizing proteins

Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Which of the following would help achieve correct spindle orientation during asymmetric cell division? Spindle interaction with microtubule destabilizing proteins Spindle interaction with the polarity protein complex Spindle interaction with microtubule stabilizing proteins All of the answers would help achieve correct spindle orientation Spindle interaction with both microtubule destabilizing and stabilizing proteins

Which of the following would help achieve correct spindle orientation during asymmetric cell division? Spindle interaction with microtubule destabilizing proteins Spindle interaction with the polarity protein complex Spindle interaction with microtubule stabilizing proteins All of the answers would help achieve correct spindle orientation Spindle interaction with both microtubule destabilizing and stabilizing proteins

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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In the mitotic spindle, astral microtubules function to: connect the spindle poles attach chromosomes to the spindle carry out cytokinesis anchor the spindle poles to the plasma membrane
Which protein or proteins mediate(s) the nucleation of microtubules? Arp 4 O Formin OY-TURC O Arp 2/3 < Previous
Which phase is described below? The chromosomes condense, Each is made of two sister chromatids,(looks) like an "X" Each sister is a clone, the closest of kin, And acentromere connects them like siamese twinsThe nucleolus disappears it melts away, as the cell takes a ribosomeproduction holiday, the centrosomes separate, start spindle formationfor separating chromatids and cell elongation.
Select the phase of the cell cycle depicted in the image below where spindle fibers align the chromosomes along the middle of the cell nucleus interphase prophase anaphase telophase metaphase
Match each term with its best description. ___ cell plate a. lump of cells ___ spindle b. made of microfilaments ___ tumor c. divide plant cells ___ cleavage furrow d. spindle originates here ___ contractile ring e. dangerous metastatic cells ___ cancer f. made of microtubules ___ centrosomes g. indentation ___ telomere h. shortens with age
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 assembly and function of the mitotic spindle depend on numerous microtubule-dependent motor proteins. In the mitotic spindle, these motor proteins generally operate at or near the ends of the microtubules. Four major types of motor proteins are:
Match the following cell structures with their descriptions. 1. Fibers of the cytoskeleton that attach to chromosomes and move them during mitosis 2. Cell junctions that seal cells so tightly together that materials cannot pass between the cells Cilia Intermediate filaments 3. Cell surface appendages that contain microtubules and beat to move substances across the surface Tight junctions of a cell 4. The network of many types of protein fibers that gives shape to the cell and anchors the organelles Microtubules Desmosomes 5. Cell junctions that link the cytoskeleton of adjacent cells in order to prevent the cells from being pulled apart Microfilaments/actin filaments 6. Fibers of the cytoskeleton that allow cells such as amoebae to crawl around
Which of the following statements best describes the process of phase separation in cells? Proteins can assemble as liquid droplets that are not bounded by a membrane in either the cytoplasm or nucleus A protein can separate into different organelles dependent on the phase of the cell cycle Proteins that are assembled in one phase of the cell cycle and degraded in the next are said to undergo phase separation Signal sequences can target proteins assembled in the cytoplasm into the lumen of the endoplasmic reticulum
Which of the following statements regarding microtubules is FALSE? Microtubules are typically arranged in cells such that thoir plus (+) ends are directed towards the plasma membrane and their minus (-) ends are attached to the centrosomes. Microtubules are composed of 13 protofilaments that are arranged into a hollow cylinder. Microtubules are polar. Microtubule-binding proteins, such as Tau, bind to microtubules to destabilizo thom. Microtubules are inherently unstable and rapidly disassemble with low/ GTIP concentrations.
Type of microtubule that interacts with microtubules from another centrosome? All of the other answers are correct Interpolar microtubules Kinetochore microtubules Aster microtubules
Draw a simple model of a cell shortly before centrosome duplication and draw a representationof the centrosome cycle through two rounds of the cell cycle (until you have 4 cells). In eachdivision note the plane where the contractile ring will bisect the spindle.