Multiple ChoiceThe phase of mitosis where chromosomes condense and centrosomes move to opposite poles of the cell is:3129views22rank
Multiple ChoiceThe mitotic spindle plays a critical role in which of the following processes of cellular division?4023views18rank
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.3459views20rank
Multiple ChoiceIn what way do kinetochore microtubules facilitate the process of splitting the sister chromatids?3461views25rank1comments
Multiple ChoiceWhich of the following is a function of the non-kinetochore microtubules?2661views26rank1comments
Multiple ChoiceThe nuclear envelopes form and the mitotic spindles disassembles during telophase in preparation for what?2236views21rank
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?3464views18rank
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?5017views11rank1comments
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?a) 10.b) 20.c) 40.d) 80.4594views16rank1comments
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?a) The mitotic spindle.b) Cytokinesis.c) DNA replication.d) Chromosome condensation.4617views11rank1comments
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? 1112views
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? 1231views
Multiple ChoiceThe phase of mitosis during which the chromosomes move toward separate poles of the cell is __________. 1406views
Multiple ChoiceAt which stage of mitosis are chromosomes lined up in one plane in preparation for their separation to opposite poles of the cell? 921views
Multiple ChoiceIn a human skin cell that is going through the cell cycle, when do the centrosomes separate? 978views
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 cell1681views
Textbook QuestionWhat evidence suggests that during anaphase, kinetochore microtubules shorten at the kinetochore?861views
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. anaphase993views
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. 1910views
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