Which of the following statement is/are true? Astral microtubules shorten during anaphase. Kinetochore microtubules depolymerize during anaphase. Spindle MTs bind the kinetochores associated with each chromatid Polar microtubules lengthen during anaphase Polar microtubules interact with microtubules from the opposite pole of the cell
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Step 1: Astral microtubules do not shorten during anaphase. Show more…
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Rabeya Z.
Which of the following statements is true when thinking about chromosome movement? Microtubules attach to the kinetochores during early prophase. The microfilaments pull the chromosomes back and forth until they align in a plane along the equator of the cell, which is called the longitudinal plane. Astral microtubules attach to the chromosomes and move the chromatids. The kinetochore is composed of proteins that assemble on the centromere and provide a site for the microfilaments to attach. One mechanism for movement is the use of motor proteins kinesin and dynein by kinetochores.
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Which of the following is not an event of anaphase of mitosis? a. The nuclear envelope breaks apart. b. Sister chromatids separate. c. Kinetochore microtubules shorten, pulling the chromosomes to the poles. d. Polar microtubules push against each other, moving the poles farther apart. e. All of the above occur during anaphase.
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