Multiple ChoiceThe phase of mitosis where chromosomes condense and centrosomes move to opposite poles of the cell is:18194Has a video solution.
Multiple ChoiceWhy does the nuclear envelope break down during prometaphase?20062Has a video solution.
Multiple ChoiceThe mitotic spindle plays a critical role in which of the following processes of cellular division?27142Has a video solution.
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.21523Has a video solution.
Multiple ChoiceIn what way do kinetochore microtubules facilitate the process of splitting the sister chromatids?20645Has a video solution.
Multiple ChoiceWhich of the following is a function of the non-kinetochore microtubules?14987Has a video solution.
Multiple ChoiceThe nuclear envelopes form and the mitotic spindles disassembles during telophase in preparation for what?12662Has a video solution.
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?19555Has a video solution.
Multiple ChoiceAt which phase of the cell cycle do centrosomes begin to move apart in animal cells?15194Has a video solution.
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?33602Has a video solution.
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) 80.29363Has a video solution.
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.30931Has a video solution.
Multiple ChoiceIn telophase of mitosis, the mitotic spindle breaks down and the chromatin uncoils. This is essentially the opposite of what happens in __________. 715
Multiple ChoiceWhich of the following phases of mitosis is essentially the opposite of prometaphase in terms of the nuclear envelope? 552
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? 601
Multiple ChoiceThe phase of mitosis during which the chromosomes move toward separate poles of the cell is __________. 696
Multiple ChoiceAt which stage of mitosis are chromosomes lined up in one plane in preparation for their separation to opposite poles of the cell? 339
Multiple ChoiceIn a human skin cell that is going through the cell cycle, when do the centrosomes separate? 421
Textbook QuestionAt metaphase of mitosis, Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â . 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 cell837Has a video solution.
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 formation3479Has a video solution.
Textbook QuestionWhat evidence suggests that during anaphase, kinetochore microtubules shorten at the kinetochore?249Has a video solution.
Textbook QuestionWhat evidence suggests that during anaphase, kinetochore microtubules shorten at the kinetochore?139Has a video solution.
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. anaphase297Has a video solution.
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.183Has a video solution.
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. 459Has a video solution.