How the performance of an individual in the laboratory studies influences the result accuracy. Introduction: Experts in the field of microbiology are called microbiologists. They are involved in identifying and studying the different forms of pathogens. Their role is to understand the habitat and interactions of the pathogens inside the host. Doing so would provide accurate insights into the causative agents of the disease and its possible treatments.

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PCBs and River Otters: Otters in Washington State’s Green-Duwamish River have high levels of polychlorinated biphenyls (PCBs) in their livers. PCBs can bind to the estrogen receptors in animals and disrupt the endocrine system of these otters. The PCBs seem to increase the estrogen to androgen ratio, skewing the ratio toward too much estrogen. How would increased estrogen affect the river otter population? Based on your reading of the materials in this unit, what factors can affect fertility in humans? Explain how each of the factors affecting human fertility that you described can disrupt the human endocrine system to affect reproduction.

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Chapter 3, Problem 3TBP

Summary Introduction

To describe: How the performance of an individual in the laboratory studies influences the result accuracy.

Introduction: Experts in the field of microbiology are called microbiologists. They are involved in identifying and studying the different forms of pathogens. Their role is to understand the habitat and interactions of the pathogens inside the host. Doing so would provide accurate insights into the causative agents of the disease and its possible treatments.

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PCBs and River Otters: Otters in Washington State’s Green-Duwamish River have high levels of polychlorinated biphenyls (PCBs) in their livers. PCBs can bind to the estrogen receptors in animals and disrupt the endocrine system of these otters. The PCBs seem to increase the estrogen to androgen ratio, skewing the ratio toward too much estrogen. How would increased estrogen affect the river otter population? Based on your reading of the materials in this unit, what factors can affect fertility in humans? Explain how each of the factors affecting human fertility that you described can disrupt the human endocrine system to affect reproduction.

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