Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 38, Problem 1DAA
Summary Introduction
To find: How many would die of a radon induced lung cancer, if 1000 smokers were exposed to a radon level of 1.3 pCi/L over a lifetime.
Concept introduction: Radon is an odorless gas which increases the risk of lung cancer. Radon increases the risk of cancer in smokers compare to the non smokers. It is a noble gas which is radioactive, colorless, odorless and tasteless. It is produced by the radioactive decay of radium-226.
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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 38 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 38 - Respiratory proteins such as hemocyanin _____. a....Ch. 38 - In a _______, air flows continually across the...Ch. 38 - Prob. 3SQCh. 38 - In human lungs, gas exchange occurs at the ______....Ch. 38 - Prob. 1DAACh. 38 - Prob. 2DAACh. 38 - Prob. 3DAACh. 38 - Which holds the most dissolved oxygen? a. warm,...Ch. 38 - When you breathe quietly, inhalation is _______...Ch. 38 - Prob. 7SQ
Ch. 38 - Prob. 8SQCh. 38 - Most oxygen transported in human blood _______. a....Ch. 38 - Prob. 10SQCh. 38 - In fish gills, blood and water move ________. a....Ch. 38 - ______ in arteries sense changes in the acidity of...Ch. 38 - Prob. 13SQCh. 38 - The diaphragm is a ______ muscle. a. smooth b....Ch. 38 - Prob. 15SQCh. 38 - Prob. 1CTCh. 38 - Prob. 2CT
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