Biology with Connect Access Card
10th Edition
ISBN: 9780077705701
Author: Raven, Peter
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 50, Problem 4A
Caffeine inhibits the secretion of ADH. Prior to an exam, you have a large coffee. During the exam, you can expect
a. greater water reabsorption from the collecting duct.
b. less water reabsorption from the collecting duct.
c. an increase in reabsorption of glucose from the proximal convoluted tubule.
d. a decrease in reabsorption of glucose from the proximal convoluted tubule.
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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.)
After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.)
Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100%
To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…
Chapter 50 Solutions
Biology with Connect Access Card
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