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1. The DNA threads which appear inside the nucleus at the time of cell division
a) Spindle fibers
b) Centrioles
c) Asters
d) Chromosomes
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- 6) What phase of the cell cycle would be altered, and what would change if you treated a cancer cell with a drug that a) interfered with DNA replication. b) stopped the spindle fibers from elongating.2. Explain what the cell is doing in each of the following stages of the cell cycle.a) G1, b) S, c) G2, d) M5. Mark the INCORRECT statement about nuclear lamina.a) Filaments present in the inner membrane of the nucleusb) Made up of lamin proteinsc) Provide mechanical support to the nucleusd) It has bounded with the ribosomes
- 5) The process by which a cell copies its DNA before it divides is called: A) DNA replication B) Transcription C) Mitosis D) TranslationPractice Worksheet: Mitosis and Cancer 1. Label the parts of the cell cycle using the word list provided. Growth 1 (G.) Mitosis Interphase Growth 2 (G2) Cytokinesis Synthesis E 2. Label the cell structures on the diagram to the right. What is the diploid number of chromosomes in this diagram? 2n=_ 3. Identify the type of cells in the images below using the word list provided. Benign Tumor Malignant Tumor / Metastasis Normal Cells Which of the above tumors is the most invasive? Why? ABThe longest phase of the cell cycle is: a) Cyclin b) Interphase Oc) Cytokinesis O d) Cancer
- The cell division process that cells in culture undergo includes the following stages in temporal order: O a) Telophase, anaphase, prophase, metaphase O b) Anaphase, metaphase, prophase, telophase O c) Metaphase, prophase, telophase, anaphase O d) Prophase, metaphase, anaphase, telophase1. Describe the relationship between the following cellular structures and contents. a) endoplasmic reticulum and the nuclear envelope B) centriole and microtubules C) ribosome and nucleolus D) plastids and pigments50. Cell motility involves the coordination of many events in the cell. In cells lacking flagella/cilia, which of the following are NOT required for cell motility? a) extension of actin filaments b) transmembrane proteins associating with extracellular matrix proteins in the underlying surface c) myosin-mediated contraction at the rear of the moving cell d) formation of a microtubule array in the leading edge of the cell e) formation of plasma membrane extensions such as pseudopodia or filopodia
- . A cell near the end of anaphase of mitosis will have ________. A) no chromosomes in the center of the cell B) chromosomes clustered at one end of the cell C) individual chromatids beginning to separate from one another D) chromosomes clustered tightly at the center E) one large nuclear envelopeThe mitotic spindle plays a critical role in which of the following processes? a) dissolving the nuclear membrane b) triggering the compaction and condensation of chromosomes c) splitting of the cell (cytokinesis) following mitosis d) separation of sister chromatidsWhich phase of the cell cycle is depicted in this diagram? a) S phase b) early prophase c) metaphase d) G1 phase