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- Which event occurs in S-phase? Question 4 options: Mitotic spindle is created. Normal growth and cell function Energy stores are replenished Karyokinesis None of the aboveWhich of the following are important for pulling chromosomes to the poles of the cell? Choose all that apply. There are 3 correct answers. You will LOSE points (from the total correct) for incorrect answers. This is to discourage guessing. cytoplasmic dynein kinetochore MT MT polymerization astral MT polar MT bipolar kinesinS. Chromosomes are duplicated during what stage of the cell cycle? G1 phase S phase prophase prometaphase
- ......... chromosome are found in the body cell but not sex cellsWhich of these is paired incorrectly?a. prometaphase—the kinetochores become attached tospindle fibersb. anaphase—daughter chromosomes migrate toward spindlepolesc. prophase—the nucleolus disappears and the nuclearenvelope disintegratesd. metaphase—the chromosomes are aligned in the metaphaseplatee. telophase—a resting phase between cell division cyclesWhich statement is FALSE about interphase? DNA is replicated (copied) during interphase Interphase happens once before meiosis The cell grows during interphase Interphase ONLY happens in mitosis.
- What type of microtubule is connected to another microtubule which originates from a different centrosome? aster microtubule kinetochore microtubule interpolar microtubule none of the above all of the aboveIn a tabular form, differentiate mitosis and meiosis using the following criteria: Chromosome number of daughter cells Stages Synapsis Crossing over Cell type Number of cells formed Genetic consequencesWhich of the following is an abnormality that can delay the metaphase-to-anaphase transitions?Attachments of both kinetochores to microtubules from the same spindle poleA failure of one kinetochore to attach to spindle microtubulesA mutation that inhibits the activity of the APCA lack of tension at the kinetochore
- Which of the following options correctly describes the functions of both cilia and flagella? Excretion Protection Locomotion Body’s defense BENTEN: During meiosis I, pairs of homologous chromosomes align randomly along the metaphase plate before being separated. This process helps generate genetic variation in the offspring of sexual reproduction. Which of the following best explains how the random alignment of homologous chromosomes during meiosis helps generate varied offspring? Random alignment increases the likelihood of crossing over between non-sister chromatids. Random alignment results in the formation of gametes that contain different numbers of chromosomes. Random alignment increases the number of possible chromosome combinations in the gametes. Random alignment results in the formation of some diploid and some haploid gametes.Match the type of cell division with the cell type. sec cells somatic cells 1. mitosis meiosisCell growth in culture such as BHK21 divide by which process? meiosis binary fission budding mitosis