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 the structure of prokaryotic and eukaryotic genomes Distinguish between chromosomes, genes, and traits Describe the mechanisms of chromosome compaction
Students are given a problem about a relatively new treatment for cancer, …
Students are given a problem about a relatively new treatment for cancer, Gleevec, and asked to apply and synthesize what they have learned about cell signaling and the eukaryotic cell cycle to explain why this targeted treatment works to prevent cell division with fewer side effects than traditional chemotherapeutic agents.
The Genetics Student Edition book is one of ten volumes making up …
The Genetics Student Edition book is one of ten volumes making up the Human Biology curriculum, an interdisciplinary and inquiry-based approach to the study of life science.
The Lives of Cells Student Edition book is one of ten volumes …
The Lives of Cells Student Edition book is one of ten volumes making up the Human Biology curriculum, an interdisciplinary and inquiry-based approach to the study of life science.
Learn the processes that happen in interphase to prepare the cell for …
Learn the processes that happen in interphase to prepare the cell for division on this webpage. Webpage includes an audio lesson as well as an image. [0:23]
The process of cell division in eukaryotic cells is carefully controlled. The …
The process of cell division in eukaryotic cells is carefully controlled. The cell cycle is the life cycle of a cell, with cell division at the end of the cycle. Like a human life cycle, which is made up of different phases, like childhood, adolescence, and adulthood, the cell cycle also occurs in a series of phases. Learn more about the cell cycle in this learning module produced by CK-12.
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Cells do eventually wear out. At that point, they need to be …
Cells do eventually wear out. At that point, they need to be replaced. This is one reason that your cells divide. New cells that result after cells divide are also used for growth and to repair cuts. Learn more about cell division in this learning module produced by CK-12.
A free CK-12 account is required to view all materials.
During mitosis, the DNA in a nucleus must replicate. The copied DNA …
During mitosis, the DNA in a nucleus must replicate. The copied DNA is divided into two genetically identical sets, so that after cytokinesis or cell division, each cell has a complete set of genetic instructions. Learn more about mitosis and cytokinesis in this learning module produced by CK-12.
A free CK-12 account is required to view all materials.
At the beginning of a DNA, DNA replication, and mitosis unit, students …
At the beginning of a DNA, DNA replication, and mitosis unit, students are given a short science news article summarizing a recent research paper. This assignment links the article to figures and key techniques from a related journal article, requiring students to apply and transfer the knowledge they gained in the unit.
Meiosis is the process by which gametes (eggs and sperm) are made. …
Meiosis is the process by which gametes (eggs and sperm) are made. Gametes have only one set of chromosomes. Therefore, meiosis involves a reduction in the amount of genetic material. Each gamete has only half the chromosomes of the original germ cell. Explore meiosis with a computer model of dragons. Run meiosis, inspect the chromosomes, then choose gametes to fertilize. Predict the results of the dragon offspring and try to make a dragon without legs. Learn why all siblings do not look alike.
This video segment, adapted from the Interactive Secret of Life videodisc, explains …
This video segment, adapted from the Interactive Secret of Life videodisc, explains the stages of mitosis, the process of dividing equally a cell's massive jumble of DNA just prior to cell division. [1:34]
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