Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 12, Problem 7TYU
Cell A has half as much DNA as cells B, C, and D in a mitotically active tissue. Cell A is most likely in
(A) G1.
(B) G2.
(C) prophase.
(D) metaphase.
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Which of the following events does not take place during mitosis?(a) The centromeres of the chromosomes split. (b) The nucleoli disappear, and the two centrosomes separate from one another. (c) The nuclear envelope breaks. (d) Four daughter cells are generated. (e) The chromosomes cluster at the cell’s equator.
Cell differentiation always involves(A) transcription of the myoD gene.(B) the movement of cells.(C) the production of tissue-specific proteins.(D) the selective loss of certain genes from the genome.
Which of the following does not occur during interphase?
(a)
(b)
(c)
(d)
DNA is replicated.
Spindle fibres form.
New organelles are formed.
The cell size increases.
Chapter 12 Solutions
Campbell Biology (10th 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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- The somatic stem cells are derived from source such as_________.a) Bone marrow, embryos, amniotic fluid and umbilical cord b) Embryos, bone, knee, foetus c) Bone marrow, fluid, umbilical cord, joint cells d) Embryo, foetus, umbilical cord, fluid.arrow_forwardAt which of the following stages do human skin cell nuclei have the same DNA content? (a) early mitotic prophase and late mitotic telophase (b) G1 and G2 (c) G1 and early mitotic prophase (d) G1 and late mitotic telophase (e) G2 and late mitotic telophasearrow_forwardIdentify the phases of mitosis above: Anaphase Choose... + Interphase Choose... Telophase Choose... + Prophase Choose... Metaphase Choose...arrow_forward
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