PreparED Study Materials
BIOL 240: Molecular Biology
School: Brigham Young University
Number of Notes and Study Guides Available: 2
Notes
Videos
Animal Traits: Gastrulation, Multicellularity & Flagellated Sperm
Want To Learn More? To watch the entire video and ALL of the videos in the series:
In this video we explore the unique characteristics that set animals apart from other organisms. We evaluate options like gastrulation multicellularity sexual reproduction and flagellated sperm. Conclusively we identify gastrulation as a truly unique process in animal embryonic development.
Coronary Arteries: Their Role and Origin in Heart Anatomy Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the significance of coronary arteries in heart health, where they branch from, and their role in delivering oxygen-rich blood to the heart muscle. Learn the differences between the ascending aorta, aortic arch, and pulmonary trunk in relation to the coronary arteries.
Examples of Adaptation: Human Nutrition, Duck's Webbed Feet, Raccoon's
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the concept of adaptation in this video, where we evaluate four scenarios to determine which represents a heritable trait enhancing an organism's survival in its environment. Learn how the webbed feet of a duck exemplify a true adaptation, enabling it to thrive in its habitat.
Arteries by Heart: More Endothelium, Muscle, Elastic?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn about the composition of arteries focusing on those closer to the heart. Understand the role of endothelium smooth muscle fibers elastic fibers and collagen in these arterial structures. Discover why arteries near the heart have a higher percentage of elastic fibers to withstand pressure changes effectively.
Eukaryotic DNA: Cohesin, Chromatids & Chromatin Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the intricacies of a eukaryotic cell, its DNA structure, and the proteins that aid its function. Delve into the roles of cohesin, condensin, and histones, and discover the difference between chromatin, nucleosomes, and sister chromatids. Gain clarity on the pivotal structure ensuring successful cell division.
Understanding Mammalian Heart: Blood Flow and Oxygenation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Learn about the path of blood flow in the mammalian heart and circulatory system. Discover how oxygen-rich blood from the lungs enters the left atrium and understand why other statements about blood flow are incorrect.