Anatomy Lab Homework 2 (1)

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Biology

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Jan 9, 2024

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Page 56, pre-lab questions. 1. Which of the following membrane movements is not a passive process? Answer: active transport 2. Osmosis is a membrane passage process pertaining to? Answer: water 3. Which of the following represents an isotonic solution to human cells? Answer: 0.9% NaCl 4. Filtration requires ______ for movements through membranes. Answer: hydrostatic pressure 5. Which of the following does not influence the rate of diffusion? Answer: the size of the petri dish 6. Dialysis tubing serves as a ______ for the osmosis experiment. Answer: selectively permeable membrane 7. Does passive membrane passage require ATP? Answer: False 8. A cell will not swell or shrink when placed in an isotonic solution. Answer: True Page 62, critical thinking questions Diffusion: 1. A perfume bottle is opened, and soon the odor can be smelled in all parts of the room. Answer: yes 2. A tea bag is dropped into a cup of hot water, and, without being stirred, all the liquid becomes the color of the tea leaves. Answer: yes 3. Water molecules move from a faucet through a garden hose when the faucet is turned on. Answer: no Osmosis: 1. A fresh potato is peeled, weighed, and soaked in a strong salt solution. The next day, it is discovered that the potato has lost weight. Answer: yes 2. Air molecules escape from a punctured tire as a result of high pressure inside. Answer: no 3. Plant seeds soaked in water swell and become several times as large as before soaking. Answer: no Figure 6.6, Page 63. A. Hypotonic Solution B. Hypertonic Solution C. Isotonic Solution
Critical Thinking, Page 63. Explain the potential risk to a person who drinks unusually large quantities of plain water in a short period of time. Answer: If a person is drinking large amounts of water in a short period of time, her kidneys are not able to get rid of the large amounts of water through urine. Page 65-66, Pre-Lab Questions. 1. Which of the following is not part of the interphase? Answer: cytokinesis 2. A cell in the stage of G-zero Answer: ceases cell division 3. Which is the correct sequence of the M (mitotic phase) Answer: prophase, metaphase, anaphase, and telophase 4. Which of the following events occur during prophase? Answer: spindle appears 5. Which of the following events occurs during telophase? Answer: cytokinesis 6. Sister chromatids separate to opposite poles during. Answer: Anaphase 7. A human diploid cell has _____ chromosomes Answer: 46 8. In animal cells, the indentation where the cells are pinching apart during telophase is called the ____ Answer: cleavage furrow 9. A karyotype is used to count centrioles and spindle fibers Answer: False 10. Daughter cells are formed from cell cycles Answer: True
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