Biol 128: Biological Sci (Looseleaf) (Custom Package)
15th Edition
ISBN: 9781269761383
Author: LANSING CC
Publisher: PEARSON
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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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Chapter 12 Solutions
Biol 128: Biological Sci (Looseleaf) (Custom Package)
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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- Why is cell furrowing important in cell division? If cytokinesis did not occur, what would be the end result?arrow_forwardThe eukaryotic cell in the photo on the left is in the process of cytoplasmic division. Is this cell from a plant or an animal? How do you know?arrow_forwardWhat would happen to a cell if it didn’t contain any lysosomes(or if its lysosomes weren’t functioning)? Would the cell beable to survive?arrow_forward
- Draw the following cell structures and organelles and provide the function of each: plasma membrane, nucleus, endoplasmic reticulum, ribosomes, dictyosomes, plastids, mitochondria, microbodies, vacuoles, and cytoskeletonarrow_forwardWhat cellular organelle direct formation of mitotic spindle during cell division and also form the bases of cilia and flagella? A. Peroxisomes B. Centrioles C. Cytoskeleton D. Microtubulesarrow_forwardIn addition to providing support, the cytoskeleton immobilizes enzymes and organelles in the cytoplasm. What advantage does this immobilization have over allowing the cellcontents to freely diffuse in the cytoplasm?arrow_forward
- What organelle moves in a wave-like motion to provide movement for a cell?arrow_forwardHow are lysosomes different from vacuoles?arrow_forwardCytokinesis, the process of cytoplasmic division, occurs shortly after the separated sister chromatids have neared the opposite spindle poles. How is the plane of cytokinesis determined?arrow_forward
- Cancer cells can eventually metastasize (or spread) from their tissue of organ to distant sites throughout the body. Which of the three types of cytoskeletal components could be used to detect the tissue of organ of a metastatic cancer cell? Why? (For example, if you took a biopsy of a tumor that had spread to the lungs, how could use what you know about the cytoskeleton to determine where the cancer originated? )arrow_forwardWhat is the structure and role of each organelle: lysosome, vacuole, mitochondria, membrane, ribosome, endoplasmic reticulum, Golgi bodies, nucleus, plastidarrow_forwardif you visualize the cytoskeleton of a cell that is expanding in one direction, you typically observed a strong orientation of the cytoskeleton. Please answer the following three questions. a. Would the cytoskeleton be oriented parallel or perpendicular to the direction of cell expansion? b. Would the cellulose fibers in the cell wall be parallel or perpendicular to the cytoskeleton? c. Explain why cytoskeleton, cellulose fibers, and direction of cell expansion have the relationship mentioned in a and b?arrow_forward
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