Multiple ChoiceThe phase of mitosis where chromosomes condense and centrosomes move to opposite poles of the cell is:3128views22rank
Multiple ChoiceThe mitotic spindle plays a critical role in which of the following processes of cellular division?4022views18rank
Multiple ChoiceWhich of the following events characterizes metaphase of mitosis?I. Movement of chromosomes to the equatorial plane (metaphase plate) of the cell.II. A spindle fiber attaches to each sister chromatid.III. Separation of sister chromatids that are being pulled to the poles of the cell.3457views20rank
Multiple ChoiceIn what way do kinetochore microtubules facilitate the process of splitting the sister chromatids?3457views25rank
Multiple ChoiceWhich of the following is a function of the non-kinetochore microtubules?2659views26rank
Multiple ChoiceThe nuclear envelopes form and the mitotic spindles disassembles during telophase in preparation for what?2235views21rank
Multiple ChoiceThe circles labeled A to E each represent the chromosomes within a cell during a single phase of mitosis. Which image is showing one of the newly created nuclei at the end of telophase?3462views18rank
Multiple ChoiceAt which phase of the cell cycle do centrosomes begin to move apart in animal cells?2656views19rank
Multiple ChoiceScientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1 1/2 times more DNA than G1 phase cells. What is the most likely part of the cell cycle from which these cells were isolated?5017views11rank
Multiple ChoiceIf there are 40 centromeres in a cell at anaphase of mitosis, how many chromosomes will be found in each daughter cell following cytokinesis?4591views16rank
Multiple ChoiceTaxol is an anticancer drug extracted from the Pacific yew tree. In animal cells, Taxol prevents microtubule depolymerization (breaking down). Thus, Taxol stops mitosis by interfering with which of the following structures or processes?4615views11rank
Multiple ChoiceIn telophase of mitosis, the mitotic spindle breaks down and the chromatin uncoils. This is essentially the opposite of what happens in __________. 1572views
Multiple ChoiceWhich of the following phases of mitosis is essentially the opposite of prometaphase in terms of the nuclear envelope? 1111views
Multiple ChoiceAssume that you are dealing with a species in which the number of chromosomes in each somatic cell is 14. How many sister chromatids are present in the early telophase of mitosis? 1230views
Multiple ChoiceThe phase of mitosis during which the chromosomes move toward separate poles of the cell is __________. 1404views
Multiple ChoiceAt which stage of mitosis are chromosomes lined up in one plane in preparation for their separation to opposite poles of the cell? 920views
Multiple ChoiceIn a human skin cell that is going through the cell cycle, when do the centrosomes separate? 974views
Textbook QuestionAt metaphase of mitosis, . a. the chromosomes are condensed and found at the poles; b. the chromosomes are composed of one sister chromatid; c. cytokinesis begins; d. the chromosomes are composed of two sister chromatids and are lined up along the equator of the cell1680views
Textbook QuestionWhich of the following does not occur during mitosis? a. condensation of the chromosomes b. replication of the DNA c. separation of sister chromatids d. spindle formation5276views
Textbook QuestionWhat evidence suggests that during anaphase, kinetochore microtubules shorten at the kinetochore?859views
Textbook QuestionWhat evidence suggests that during anaphase, kinetochore microtubules shorten at the kinetochore?518views
Textbook QuestionWhich of the following phases of mitosis is essentially the opposite of prophase in terms of changes within the nucleus? a. telophase b. metaphase c, interphase d. anaphase991views
Textbook QuestionVISUAL SKILLS The light micrograph shows dividing cells near the tip of an onion root. Identify a cell in each of the following stages: prophase, prometaphase, metaphase, anaphase, and telophase. Describe the major events occurring at each stage.627views
Textbook QuestionIn the light micrograph below of dividing cells near the tip of an onion root, identify a cell in interphase, prophase, metaphase, anaphase, and telophase. Describe the major events occurring at each stage. 1906views
Textbook QuestionA hypothetical poison prevents transcription factors from binding to the gene for tubulin proteins. What impact would this have on mitosis, and why?264views
Textbook QuestionWhich of the following is not a phase of mitosis?a. Interphaseb. Prophasec. Anaphased. Metaphase234views
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