Biology 2e is designed to cover the scope and sequence requirements of a …
Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology includes rich features that engage students in scientific inquiry, highlight careers in the biological sciences, and offer everyday applications. The book also includes various types of practice and homework questions that help students understand—and apply—key concepts. The 2nd edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Art and illustrations have been substantially improved, and the textbook features additional assessments and related resources.
By the end of this section, you will be able to do …
By the end of this section, you will be able to do the following:
Describe physical and chemical immune barriers Explain immediate and induced innate immune responses Discuss natural killer cells Describe major histocompatibility class I molecules Summarize how the proteins in a complement system function to destroy extracellular pathogens
Paul Andersen explains how your body protects itself from invading viruses and …
Paul Andersen explains how your body protects itself from invading viruses and bacteria. He starts by describing the nonspecific immune responses of skin and inflammation. He then explains how we use antibodies to disrupt the function of antigens and mark them for destruction. [13:46]
What do bats have to do with coronaviruses? As it turns out, …
What do bats have to do with coronaviruses? As it turns out, the adaptation to flight may be what turned bats into perfect virus reservoirs. One of these viruses, the new coronavirus, likely jumped the species barrier to humans causing the initial 2019 outbreak in China. This pathway explores the outbreak from the perspective of medical professionals working to accurately diagnose and treat patients, scientists racing to understand the source of the outbreak, and public health officials implementing solutions to control its spread.
In this video segment from The Secret of Life, watch as a …
In this video segment from The Secret of Life, watch as a virus attacks a cell, and learn how the immune system reacts to this onslaught. Includes background reading material and discussion questions. [1:40]
If you want to check your understanding of immunology, this is the …
If you want to check your understanding of immunology, this is the place to go. This resource has 13 different questions to test your knowledge, as well as tutorials that go with each question.
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