Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 9, Problem 4TYU
Summary Introduction
Introduction:
In cell cycle process, cell starts to divide and replicate itself. Two phases of cell cycle are: interphase, which includes replication of DNA, and M phase that includes mitosis. Replication of DNA occurs in interphase prior to mitotic phase of the cell cycle.
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DNA or deoxyribonucleic acid is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA. This, in turn, replicates in the non-dividing phase of the cell cycle which is
a. telophase
b. cytokinesis
c. metaphase
d. interphase
In mitosis, when the duplicated chromosomes line up in the center of the cell, that stage is calleda. prophase. c. anaphase.b. metaphase. d. telophase.
Which of the following statements is true?
a. once a person reaches maturity, cell division stops unless it is to repair a wound
b. cell division in an adult signifies cancer
c. some specific cells throughout the body retain the ability to divide and replace themselves
d. growth continues on throughout life of an adult human
Chapter 9 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 9.1 - WHAT IF? A chicken has 78 chromosomes in its...Ch. 9.2 - Compare cytokinesis in animal cells and plant...Ch. 9.2 - Prob. 3CCCh. 9.2 - Compare the roles of tubulin and actin during...Ch. 9.3 - Prob. 1CCCh. 9.3 - Prob. 2CCCh. 9.3 - Compare and contrast a benign tumor and a...Ch. 9.3 - Prob. 4CCCh. 9 - Through a microscope, you can see a cell plate...Ch. 9 - In the cells of some organisms, mitosis occurs...
Ch. 9 - Which of the following does not occur during...Ch. 9 - Prob. 4TYUCh. 9 - The drug cytochalasin B blocks the function of...Ch. 9 - DRAW IT Draw one eukaryotic chromosome as it would...Ch. 9 - The light micrograph shows dividing cells near the...Ch. 9 - SCIENTIFIC INQUIRY Although both ends of a...Ch. 9 - FOCUS ON EVOLUTION The result of mitosis is that...Ch. 9 - SYNTHESIZE YOUR KNOWLEDGE Shown here are two He La...Ch. 9 - FOCUS ON INFORMATION The continuity of life is...
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- Cell division occurs during:a. M phase.b. S phase.c. G2 phase.d. G1 phasearrow_forwardIn the image, you can see one cell that is in the process of mitosis. (Note that chromosomes are stained dark blue.) In which stage is this cell currently? A. Telophase B. Metaphase C. Interphase D. Prophase E. Cytokinesis F. Anaphasearrow_forwardIn mitosis, the stage at which the nucleolus disappears is the a. prophase. b. metaphase. c. anaphase. d. telophase.arrow_forward
- Which of the following statements about mitosis is incorrect? a. Microtubules from the spindle poles attach to the kinetochores on the chromosomes. b. In anaphase, the spindle separates sister chromatids and pulls them apart. c. In metaphase, spindle microtubules align the chromosomes at the spindle midpoint. d. Cytokinesis describes the movement of chromosomes. e. Both the animal cell furrow and the plant cell plate form at their former spindle midpoint.arrow_forwardDuring this stage of mitosis, the chromatin coils to form chromosomes, the nuclear envelope disappears, the nucleolus dissolves, spindle fibers are formed, and the centrioles migrate to the poles. a. prophase b. metaphase c. anaphase d. telophasearrow_forwardAfter each cell division, these chromosomal structures shorten, thusregulating the life span of a cell.a. mitochondriab. free radicalsc. telomeresd. plasma membranesarrow_forward
- Part of cell division is that chromosomes are moved the center of the cell and then back to the poles of each newly made daughter cell. These chromosomes are moved to the center of the cell by.. Select one: a. Myosin walking on microtubules towards the center of the cell (slow growing end of microtubule) b. Oar-like motion of myosin with microfilaments causing each half of the cell to move closer together c. kinesins walking on microtubules towards the center of the cell (fast growing end of microtubule) d. vesicles floating on microfilaments of the cortical cytoskeletonarrow_forwardDuring which of the following mitotic stages to microtubules shrink to pull chromosomes to the MTOC? a. Prophase b. Metaphase c. Anaphase d. Telophase e. Cytokinesisarrow_forwardAnimal cell division is signified by the formation of cleavage furrow as oppose to plant cells, this formation appears at what stage Select one: O a. cytokinesis b. interphase Oc. metaphase O d. prophasearrow_forward
- Which of the following occurs during the G2 stage of interphase? a.The cell undergoes mitosis. b.The cell produces the proteins and cellular components needed for division. c.The cell undergoes DNA replication. d.The cell grows and produces molecules for DNA replication.arrow_forwardPairs of homologous chromosomes separate during the following stage of cell division Select one: a. Metaphase b. Telophase c. Anaphase d. Prophasearrow_forwardDuring which phase of the cell cycle is the genetic material duplicated? a. Metaphase b. Anaphase c. Telophase d. Interphase e. Prophasearrow_forward
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