Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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Textbook Question
Chapter 12, Problem 1TYU
Through a microscope, you can see a cell plate beginning to develop across the middle of a cell and nuclei forming on either side of the cell plate. This cell is most likely
(A) an animal cell in the process of cytokinesis.
(B) a plant cell in the process of cytokinesis.
(C) a bacterial cell dividing.
(D) a plant cell in metaphase.
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The 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 chromatids
Cytokinesis in plant cells is different than cytokinesis in animal cells. a) Explain why it has to be different, andb) briefly describe the processes in the two different cell types.
12) Match the cell-cell junction on the left with the appropriate function on the right. Note that
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Chapter 12 Solutions
Campbell Biology: Custom Edition
Ch. 12.1 - How many chromosomes are drawn in each part of...Ch. 12.1 - WHAT IF? A chicken has 78 chromosomes in its...Ch. 12.2 - How many chromosomes are shown in the illustration...Ch. 12.2 - Compare cytokinesis in animal cells and plant...Ch. 12.2 - During which stages of the cell cycle does a...Ch. 12.2 - Compare the roles of tubulin and actin during...Ch. 12.2 - A kinetochore has been compared to a coupling...Ch. 12.2 - MAKE CONNECTIONS What other functions do actin...Ch. 12.3 - In Figure 12.14, why do the nuclei resulting from...Ch. 12.3 - How does MPF allow a cell to pass the G2 phase...
Ch. 12.3 - MAKE CONNECTIONS Explain how receptor tyrosine...Ch. 12 - Differentiate between these terms: chromosome,...Ch. 12 - In which of the three phases of interphase and the...Ch. 12 - Explain the significance of the G1, G2, and M...Ch. 12 - Through a microscope, you can see a cell plate...Ch. 12 - Vinblastine is a standard chemotherapeutic drug...Ch. 12 - One difference between cancer cells and normal...Ch. 12 - The decline of MPF activity at the end of mitosis...Ch. 12 - In the cells of some organisms, mitosis occurs...Ch. 12 - Which of the following does not occur during...Ch. 12 - Cell A has half as much DNA as cells B, C, and D...Ch. 12 - The drug cytochalasin B blocks the function of...Ch. 12 - VISUAL SKILLS The light micrograph shows dividing...Ch. 12 - DRAW IT Draw one eukaryotic chromosome as it would...Ch. 12 - EVOLUTION CONNECTION The result of mitosis is that...Ch. 12 - SCIENTIFIC INQUIRY Although both ends of a...Ch. 12 - WRITE ABOUT A THEME: INFORMATION The continuity of...Ch. 12 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- There are certain cells that are multinucleated (having more than one nucleus). Which of the following is a possible explanation for this occurrence? A) The cell underwent repeated cytokinesis but no mitosis. B) The cell underwent repeated mitosis with simultaneous cytokinesis. C) The cell underwent repeated mitosis, but cytokinesis did not occur. D) The cell had multiple S phases before it entered mitosis.arrow_forwardTelophase in Mitosis a ) Chromosomes begin to uncoil into chromatin. b) Nucleolus and nuclear membrane begin to reappear. c) Spindle slowly dissolves. d) In animal cells, cytokinesis occurs with a cleavage furrow dividing one cell into two cells. e) In plant cells, cytokinesis occurs with the formation of a cell plate. This plate divides the original cell into two cells and is part of the new cell wall.arrow_forwardQ49arrow_forward
- The cell membrane a) has no function that is known. b) is responsible for starting mitosis. c) controls what substances enter the cell. d) has a thick cuticle around the outside.arrow_forwardIn what phase of the preparatory phase of cell division, ATP is produced in large amounts and centrioles replicate? A) G2 Phase B) S Phase C) Prophase D) Metaphasearrow_forwardSpindle fibres first start to form during a) telophase. b) anaphase. c) metaphase. d) prophase.arrow_forward
- Some cancer drugs stop cell division by stabilizing microtubules so they cannot come apart. Which step of the mitosis is disrupted? A) Telophase B) cytokinesis C) Anaphase D) Metaphasearrow_forwardThe options are: Telophase, Prophase, Prometaphase, Anaphase, Cytokinesis, and Metaphasearrow_forwardThe 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, telophasearrow_forward
- the period between mitoses, divided into G1, S, and G2 is a) M phase b) interphase c) C phase d) A phasearrow_forwardWhich of the following processes could be/are conducted by lysosomes? A) synthesis of mRNA B) Krebs cycle C) phagocytosis – the breakdown of ingested bacteria or autophagy-the breakdown of damaged mitochondria inside the cell D) RNA synthesis E) all of these.arrow_forwardWhich of the following statements about cell division and cells is true? a) Adults have much larger cells than children, and adults have many more cells than children. b) Adults and children have cells that are about the same size, and both children and adults have about the same number of cells. c) Adults and children have cells that are about the same size, but adults have many more cells than children. d) Adults have much larger cells than children, but both children and adults have about the same number of cells.arrow_forward
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