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:
List the unifying characteristics of eukaryotes Describe what scientists know about the origins of eukaryotes based on the last common ancestor Explain the endosymbiotic theory
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 the structure of eukaryotic cells Compare animal cells with plant cells State the role of the plasma membrane Summarize the functions of the major cell organelles
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 the cytoskeleton Compare the roles of microfilaments, intermediate filaments, and microtubules Compare and contrast cilia and flagella Summarize the differences among the components of prokaryotic cells, animal cells, and plant cells
This pathway provides an introduction to cells as the basic unit of …
This pathway provides an introduction to cells as the basic unit of life and their structure and function. Prokaryotic, eukaryotic and plant cells are compared and the structure and function of different organelles is discussed. For a deeper look at this topic, we recommend the pathway Cell Structure from the OpenStax textbook Biology for AP® Courses.
Eukaryotic cells have separate DNA from mitochondria and chloroplasts which indicates that …
Eukaryotic cells have separate DNA from mitochondria and chloroplasts which indicates that they were once primitive cells on their own. This multimedia article includes animations, pictures, video, biographical information, and quiz questions that are accessed by clicking on buttons along the bottom of the page.
This is a thorough site which contains a glossary of plant/animal cell …
This is a thorough site which contains a glossary of plant/animal cell anatomy terms. Diagrams of both cells are included along with worksheets to label.
Learn about the endosymbiotic theory. This theory explains the evolution of cells …
Learn about the endosymbiotic theory. This theory explains the evolution of cells from a mitochondria and chloroplast working together in a symbiotic relationship to the current cell structure.
A lesson where students evaluate the effects of exercise and performance-enhancing drugs …
A lesson where students evaluate the effects of exercise and performance-enhancing drugs by analyzing the number of mitochondria in muscle cells during a controlled experiment. [5:16]
Often referred to as the powerhouses of the cell, mitochondria provide the …
Often referred to as the powerhouses of the cell, mitochondria provide the energy that powers nearly every cellular process. This essay by university lecturer John Ross describes in detail the structures and functions of these amazing organelles.
Discover how mitochondrial DNA (mtDNA) is inherited, and complete a pedigree chart …
Discover how mitochondrial DNA (mtDNA) is inherited, and complete a pedigree chart by determining which individuals might share mtDNA with an unknown ancestor.
Very good science e-book that details why cells are the fundamental unit …
Very good science e-book that details why cells are the fundamental unit of life and why our health depends on what happens within the many different cells that make up our body. Each chapter is presented separately and the book can also be downloaded as a whole.
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