PreparED Study Materials
BIOL 1103: University Biology 1
School: Southern Arkansas University Main Campus
Number of Notes and Study Guides Available: 3
Notes
Videos
How the Diaphragm and Scalene Muscles Control Your Breathing Explained
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Unveil the essential muscles that make breathing possible in this video. Learn why the diaphragm and scalene are crucial players and why other muscles like the trapezius and semispinalis aren't involved in respiration.
Unlocking Respiration: The Diaphragm's Central Role in Breathing
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Discover the fundamentals of the respiratory system and the primary muscle behind inspiration. This video breaks down the physiological process of breathing, the key role of the diaphragm, and why other muscles don't initiate breathing.
Uncovering Food Chain Lengths: The Role of Energy Transfer Efficiency
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Unravel the mysteries of food chain lengths by analyzing various factors. We spotlight the 10% rule in ecology, emphasizing how energy transfer inefficiencies mold ecosystem structures and functions.
Anticodon of tRNA: Complementary to Which RNA Sequence?
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Explore the intricate process of protein synthesis understanding how tRNA anticodons correspond with mRNA codons. Discover the role of ribosomes in reading mRNA sequences and how tRNA ensures the accurate translation of amino acids. Breakdown of mRNA-tRNA binding for efficient protein formation.
Examples of Adaptation: Human Nutrition, Duck's Webbed Feet, Raccoon's
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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.
Bone Marking for Nutrient Foramen: Hole, Facet, Canal?
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Explore the structure of bones and the key role of the nutrient foramen a small but vital hole. This video will help you understand why this marking is essential for bone health. Discover the answer to what kind of bone marking the nutrient foramen forms