Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 34, Problem 3DAA
Effect of BPA on Insulin Secretion Bisphenol A (BPA) is an endocrine disruptor that may increase the risk of type 2 diabetes. Angel Nadal suspected that BPA disrupts insulin
FIGURE 34.11 Effects of BPA and DPN on glucose-stimulated insulin secretion. DPN is a chemical known to bind and activate estrogen receptors on pancreatic cells. A glucose concentration of 8 millimolar (mM) is equivalent to that of the blood after a meal.
How were the effects or DPN and BPA similar? How did they differ?
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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…
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Chapter 34 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 34 - Prob. 1DAACh. 34 - Effect of BPA on Insulin Secretion Bisphenol A...Ch. 34 - Effect of BPA on Insulin Secretion Bisphenol A...Ch. 34 - Effect of BPA on Insulin Secretion Bisphenol A...Ch. 34 - Prob. 1SQCh. 34 - A ________ is synthesized from cholesterol and can...Ch. 34 - Match each pituitary hormone with its target. ____...Ch. 34 - Releasing hormones secreted by the hypothalamus...Ch. 34 - Prob. 5SQCh. 34 - Low blood calcium triggers secretion by ________....
Ch. 34 - _______ lowers blood sugar levels; ________ raises...Ch. 34 - Prob. 8SQCh. 34 - The ________ has both endocrine and exocrine...Ch. 34 - Prob. 10SQCh. 34 - Secretion of _______ suppresses immune responses....Ch. 34 - Prob. 12SQCh. 34 - Which of the following is not a steroid hormone?...Ch. 34 - True or false? All hormones secreted by arthropods...Ch. 34 - Match the term listed at left with the most...Ch. 34 - Women who have been blind since birth almost never...Ch. 34 - A diabetic who injects too much insulin can lose...Ch. 34 - Endocrine disruptors can interfere with biological...Ch. 34 - An arctic hares coat color changes from white to...
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