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 5TYU
In the cells of some organisms, mitosis occurs without cytokinesis. This will result in
(A) cells with more than one nucleus.
(B) cells that are unusually small.
(C) cells lacking nuclei.
(D) cell cycles lacking an S phase.
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What one is in anaphase of mitosis
Final preparations for cell division are made during this stage of the cell life cycle: (a) G1, (b) G2, (c) M, (d) S.
Which of the following best describes the difference between interphase and mitosis?
a) During interphase, DNA has a loose structure that condenses during mitosis.
b) During interphase, histones help compact DNA into chromosomes. And once mitosis starts, histones are destroyed.
c) During interphase, DNA is tightly packed into chromosomes that uncoil once mitosis starts.
d) During interphase, DNA is packed as chromosomes. And during mitosis, DNA is called chromatin.
Please I need a surely answer and a quicker response
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
- Match the stage of mitosis with the following key events.arrow_forwardName the four main stages of mitosis, and describe what happens in each stage.arrow_forward. 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 envelopearrow_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 end result of mitosis and cytokinesis is A) two cells, each with half the number of chromosomes as the mother cell B) three cells, one of which is twice the size of the other two C) two cells identical in size and genetic material D) two cells identical in genetic material, but one is smaller than the otherarrow_forwardBiopsies from aggressive cancers often have cells that contain several nuclei per cell when viewed through a microscope. Which scenario could explain how such a multinucleated cell might have come to be? (a) The cell underwent repeated mitosis with simultaneous cytokinesis. (b) The cell had multiple S phases before it entered mitosis. (c) The cell underwent repeated mitosis, but cytokinesis did not occur. (d) The cell underwent repeated cytokinesis but no mitosis. (e) The cell actually went through meiosis and not mitosis.arrow_forward
- Which stage of mitosis in an animal cell does each part of Figure Q6 represent? (A) (B) (C) (D) Figure Q6arrow_forwardThe nuclear substance composed of histone proteins and DNA is (a) chromatin, (b) the nuclear envelope, (c) nucleoplasm, (d) nuclear pores.arrow_forwardWhich 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 formationarrow_forward
- Even though cytokinesis is included with Mitosis, we generally consider it to be its own phase. Why? by the time cytokinesis occurs, the cell has already split by the time cytokinesis occurs, the cytoplasm has already split by the time cytokinesis occurs, the nucleus has already split by the time cytokinesis occurs, the cell has copied all of its chromosomesarrow_forward. The decline of MPF activity at the end of mitosis is due to(A) the destruction of the protein kinase Cdk.(B) decreased synthesis of Cdk.(C) the degradation of cyclin.(D) the accumulation of cyclin.arrow_forwardName the parts of a cell in which the following organelles exist: (a) centrioles, (b) microtubules, (c) nuclear envelope, (d) chromatin. What are their functions?arrow_forward
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