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What is the name for the special region on a duplicated chromosome that holds the sister chromatids together?
Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?
Which of the following statements is not true?
E) The mitotic spindles in prokaryotic cells are composed of microtubules.
If cells in the process of dividing are subjected to colchicine, a drug that interferes with the functioning of the spindle apparatus, at which stage will mitosis be arrested?
A cell containing 92 chromatids at metaphase of mitosis would, at its completion, produce two nuclei containing how many chromosomes?
If the cell, whose nuclear material is shown in the figure below, continues toward completion of mitosis, which of the following events would occur next?
D) formation of telophase nuclei
All of the following occur during prophase of mitosis in animal cells except
D) chromosomes are duplicated.
If there are 20 centromeres in a cell at anaphase, how many chromosomes are there in each daughter cell following cytokinesis?
If there are 20 chromatids in a cell at metaphase, how many chromosomes are there in each daughter cell following cytokinesis?
Of the following, the best conclusion concerning the difference between the S phases for beta and gamma is that
A) gamma contains more DNA than beta.
How is the S phase of the cell cycle measured?
B) determining the length of time during which DNA synthesis occurred in the cells
Where do the microtubules of the spindle originate during mitosis in both plant and animal cells?
If a cell has 8 chromosomes at metaphase of mitosis, how many chromosomes will it have during anaphase?
Cytokinesis usually, but not always, follows mitosis. If a cell completed mitosis but not cytokinesis, the result would be a cell with
D) two nuclei.
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