
Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 25, Problem 1RQ
Describe at least two ways that human activities are altering air quality.
Expert Solution & Answer

Summary Introduction
To describe: The two ways in which human activities alters air quality.
Introduction: Biodiversity (biological diversity) is the difference among the organisms. From the population to the ecosystem, biodiversity takes place in all levels of ecological organizations. Biodiversity measures the variation at the species, genetic, and ecosystem levels.
Explanation of Solution
The ways in which human activity alters the air quality are as follows:
- 1. The burning of fossil fuels by humans releases many chemicals responsible for smog. Smog is a mixture of air pollutants.
- 2. The oxides of nitrogen and sulfur are air pollutants that alter the air quality. The acid rain is caused by the burning of coal as well as gas and oil burning. The burning of coal, gas, and oil produces sulfur and combine with oxygen to form sulfur oxide. Sulfur oxide is released into the atmosphere. Sulfur oxide forms sulfur trioxide, and then forms sulfuric acid to make acid rain. Sulfuric acid and nitric acid emitted from industries also cause acid rain.
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8. Transcription and Translation Practice: (Video 10-1 and 10-2)
A. Below is the sense strand of a DNA gene. Using the sense strand, create the antisense
DNA strand and label the 5' and 3' ends.
B. Use the antisense strand that you create in part A as a template to create the mRNA
transcript of the gene and label the 5' and 3' ends.
C. Translate the mRNA you produced in part B into the polypeptide sequence making sure
to follow all the rules of translation.
5'-AGCATGACTAATAGTTGTTGAGCTGTC-3' (sense strand)
4
What is the structure and function of Eukaryotic cells, including their organelles? How are Eukaryotic cells different than Prokaryotic cells, in terms of evolution which form of the cell might have came first? How do Eukaryotic cells become malignant (cancerous)?
What are the roles of DNA and proteins inside of the cell? What are the building blocks or molecular components of the DNA and proteins? How are proteins produced within the cell? What connection is there between DNA, proteins, and the cell cycle? What is the relationship between DNA, proteins, and Cancer?
Chapter 25 Solutions
Human Biology (MindTap Course List)
Ch. 25 - Describe at least two ways that human activities...Ch. 25 - Prob. 2RQCh. 25 - Describe the greenhouse effect. Make a list of...Ch. 25 - Prob. 4RQCh. 25 - Prob. 1SQCh. 25 - Prob. 2SQCh. 25 - Prob. 3SQCh. 25 - Greenhouse gases ________. a. slow the escape of...Ch. 25 - All the following are renewable energy sources...Ch. 25 - Prob. 6SQ
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