Biology is designed for multi-semester biology courses for science majors. It is …
Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.
By the end of this section, you will be able to:Describe how …
By the end of this section, you will be able to:Describe how red and blue light affect plant growth and metabolic activitiesDiscuss gravitropismUnderstand how hormones affect plant growth and developmentDescribe thigmotropism, thigmonastism, and thigmogenesisExplain how plants defend themselves from predators and respond to wounds
This resource is a video abstract of a research paper created by …
This resource is a video abstract of a research paper created by Research Square on behalf of its authors. It provides a synopsis that's easy to understand, and can be used to introduce the topics it covers to students, researchers, and the general public. The video's transcript is also provided in full, with a portion provided below for preview:
"Cryptochrome proteins help organisms from plants to insects to mammals set their biological clocks to the rising and setting of the sun. But while the often photoreceptive N-terminal domain is highly conserved a distinctive C-terminal tail diverges and is a distinctive feature of cryptochrome (CRY) proteins in organisms ranging from plants to insects to mammals. Growing evidence suggests that this intrinsically disordered C-terminal tail binds reversibly with the N-terminal domain modulating the feedback loop that generates a circadian oscillation of gene expression with a period of approximately 24 hours. In humans, the intrinsically disordered tail of the protein CRY1 was recently linked to circadian timekeeping and delayed-phase sleep disorder or “night owl” behavior. Further studies examining the role played by CRY1’s tail could help researchers understand how intrinsically disordered regions in proteins affect circadian timing and how that timing runs out of sync with the environment..."
The rest of the transcript, along with a link to the research itself, is available on the resource itself.
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